Asteroids.

TODO: find model with small amount of verticles
This commit is contained in:
xkamikoo 2021-02-12 03:43:11 +01:00
parent c406c3571d
commit 0b24cbc7ae
14 changed files with 530 additions and 156 deletions

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@ -11,12 +11,14 @@
</ProjectConfiguration> </ProjectConfiguration>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<None Include="shaders\shader_asteroid.frag" />
<None Include="shaders\shader_asteroid.vert" />
<None Include="shaders\shader_bloom.frag" /> <None Include="shaders\shader_bloom.frag" />
<None Include="shaders\shader_bloom.vert" /> <None Include="shaders\shader_bloom.vert" />
<None Include="shaders\shader_blur.frag" /> <None Include="shaders\shader_blur.frag" />
<None Include="shaders\shader_blur.vert" /> <None Include="shaders\shader_blur.vert" />
<None Include="shaders\shader_color.frag" /> <None Include="shaders\shader_normal.frag" />
<None Include="shaders\shader_color.vert" /> <None Include="shaders\shader_normal.vert" />
<None Include="shaders\shader_particle.frag" /> <None Include="shaders\shader_particle.frag" />
<None Include="shaders\shader_particle.vert" /> <None Include="shaders\shader_particle.vert" />
<None Include="shaders\shader_skybox.frag" /> <None Include="shaders\shader_skybox.frag" />

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@ -18,12 +18,6 @@
</Filter> </Filter>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<None Include="shaders\shader_color.frag">
<Filter>Shader Files</Filter>
</None>
<None Include="shaders\shader_color.vert">
<Filter>Shader Files</Filter>
</None>
<None Include="shaders\shader_tex.frag"> <None Include="shaders\shader_tex.frag">
<Filter>Shader Files</Filter> <Filter>Shader Files</Filter>
</None> </None>
@ -60,6 +54,18 @@
<None Include="shaders\shader_particle.vert"> <None Include="shaders\shader_particle.vert">
<Filter>Shader Files</Filter> <Filter>Shader Files</Filter>
</None> </None>
<None Include="shaders\shader_normal.frag">
<Filter>Shader Files</Filter>
</None>
<None Include="shaders\shader_normal.vert">
<Filter>Shader Files</Filter>
</None>
<None Include="shaders\shader_asteroid.frag">
<Filter>Shader Files</Filter>
</None>
<None Include="shaders\shader_asteroid.vert">
<Filter>Shader Files</Filter>
</None>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ClCompile Include="src\Box.cpp"> <ClCompile Include="src\Box.cpp">

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@ -0,0 +1,62 @@
#version 430 core
layout (location = 0) out vec4 FragColor;
layout (location = 1) out vec4 BrightColor;
struct PointLight {
vec3 position;
vec3 color;
float intensity;
};
#define MAX_POINT_LIGHTS 16
uniform vec3 cameraPos;
uniform sampler2D diffuseTexture;
uniform sampler2D normalTexture;
uniform PointLight pointLights[MAX_POINT_LIGHTS];
uniform int LightsCount;
in vec3 fragPos;
in vec2 vTexCoord;
in vec3 LightPosTS[MAX_POINT_LIGHTS];
in vec3 CameraPosTS;
in vec3 FragPosTS;
void main()
{
vec3 fragColor = vec3(0,0,0);
vec3 texture = texture2D(diffuseTexture, vTexCoord).rgb;
//vec3 texture = vec3(textureColor.x, textureColor.y, textureColor.z);
vec3 ambient = vec3(0.1, 0.1, 0.1) * texture;
vec3 normal = texture2D(normalTexture, vTexCoord).rgb;
normal = normalize(normal * 2.0 - 1.0);
vec3 V = normalize(CameraPosTS-FragPosTS);
for(int i = 0; i < LightsCount; i++)
{
vec3 lightDir = normalize(LightPosTS[i] - FragPosTS);
vec3 R = reflect(-lightDir,normal);
float dist = distance(fragPos, pointLights[i].position);
float distance = (1/dist) * (1/dist);
float spec = pow(max(0,dot(R,V)),2);
float diff = max(0,dot(normal,normalize(lightDir)));
vec3 diffuse = pointLights[i].color * diff * distance * pointLights[i].intensity;
vec3 specular = spec * pointLights[i].color * (pointLights[i].intensity/dist);
fragColor += texture*diffuse+specular;
}
BrightColor = vec4(0.0, 0.0, 0.0, 1.0);
FragColor = vec4(fragColor+ambient,1.0);
}

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@ -0,0 +1,55 @@
#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec2 vertexTexCoord;
layout(location = 2) in vec3 vertexNormal;
layout (location = 3) in vec3 aTangent;
layout (location = 4) in vec3 aBitangent;
layout (location = 5) in mat4 aInstanceMatrix;
struct PointLight {
vec3 position;
vec3 color;
float intensity;
};
#define MAX_POINT_LIGHTS 16
uniform mat4 projection;
uniform mat4 view;
uniform vec3 cameraPos;
uniform PointLight pointLights[MAX_POINT_LIGHTS];
uniform int LightsCount;
out vec3 fragPos;
out vec2 vTexCoord;
out vec3 LightPosTS[MAX_POINT_LIGHTS];
out vec3 CameraPosTS;
out vec3 FragPosTS;
void main()
{
gl_Position = projection * view * aInstanceMatrix * vec4(vertexPosition, 1.0);
mat3 normalMatrix = transpose(inverse(mat3(aInstanceMatrix)));
vec3 T = normalize(normalMatrix * aTangent);
vec3 N = normalize(normalMatrix * vertexNormal);
// re-orthogonalize T with respect to N
T = normalize(T - dot(T, N) * N);
// then retrieve perpendicular vector B with the cross product of T and N
vec3 B = cross(N, T);
mat3 TBN = mat3(T, B, N);
for(int i=0; i<LightsCount; i++)
LightPosTS[i] = TBN * pointLights[i].position;
CameraPosTS = TBN * cameraPos;
FragPosTS = TBN * fragPos;
fragPos = (aInstanceMatrix*vec4(vertexPosition,1)).xyz;
vTexCoord = vertexTexCoord;
}

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@ -1,14 +0,0 @@
#version 430 core
uniform vec3 objectColor;
uniform vec3 lightDir;
in vec3 interpNormal;
void main()
{
vec3 normal = normalize(interpNormal);
float ambient = 0.2;
float diffuse = max(dot(normal, -lightDir), 0.0);
gl_FragColor = vec4(objectColor * (ambient + (1-ambient) * diffuse), 1.0);
}

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@ -1,16 +0,0 @@
#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec2 vertexTexCoord;
layout(location = 2) in vec3 vertexNormal;
uniform mat4 modelViewProjectionMatrix;
uniform mat4 modelMatrix;
out vec3 interpNormal;
void main()
{
gl_Position = modelViewProjectionMatrix * vec4(vertexPosition, 1.0);
interpNormal = (modelMatrix * vec4(vertexNormal, 0.0)).xyz;
}

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@ -0,0 +1,62 @@
#version 430 core
layout (location = 0) out vec4 FragColor;
layout (location = 1) out vec4 BrightColor;
struct PointLight {
vec3 position;
vec3 color;
float intensity;
};
#define MAX_POINT_LIGHTS 16
uniform vec3 cameraPos;
uniform sampler2D diffuseTexture;
uniform sampler2D normalTexture;
uniform PointLight pointLights[MAX_POINT_LIGHTS];
uniform int LightsCount;
in vec3 fragPos;
in vec2 vTexCoord;
in vec3 LightPosTS[MAX_POINT_LIGHTS];
in vec3 CameraPosTS;
in vec3 FragPosTS;
void main()
{
vec3 fragColor = vec3(0,0,0);
vec3 texture = texture2D(diffuseTexture, vTexCoord).rgb;
//vec3 texture = vec3(textureColor.x, textureColor.y, textureColor.z);
vec3 ambient = vec3(0.1, 0.1, 0.1) * texture;
vec3 normal = texture2D(normalTexture, vTexCoord).rgb;
normal = normalize(normal * 2.0 - 1.0);
vec3 V = normalize(CameraPosTS-FragPosTS);
for(int i = 0; i < LightsCount; i++)
{
vec3 lightDir = normalize(LightPosTS[i] - FragPosTS);
vec3 R = reflect(-lightDir,normal);
float dist = distance(fragPos, pointLights[i].position);
float distance = (1/dist) * (1/dist);
float spec = pow(max(0,dot(R,V)),2);
float diff = max(0,dot(normal,normalize(lightDir)));
vec3 diffuse = pointLights[i].color * diff * distance * pointLights[i].intensity;
vec3 specular = spec * pointLights[i].color * (pointLights[i].intensity/dist);
fragColor += texture*diffuse+specular;
}
BrightColor = vec4(0.0, 0.0, 0.0, 1.0);
FragColor = vec4(fragColor+ambient,1.0);
}

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@ -0,0 +1,54 @@
#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec2 vertexTexCoord;
layout(location = 2) in vec3 vertexNormal;
layout (location = 3) in vec3 aTangent;
layout (location = 4) in vec3 aBitangent;
struct PointLight {
vec3 position;
vec3 color;
float intensity;
};
#define MAX_POINT_LIGHTS 16
uniform mat4 transformation;
uniform mat4 modelMatrix;
uniform vec3 cameraPos;
uniform PointLight pointLights[MAX_POINT_LIGHTS];
uniform int LightsCount;
out vec3 fragPos;
out vec2 vTexCoord;
out vec3 LightPosTS[MAX_POINT_LIGHTS];
out vec3 CameraPosTS;
out vec3 FragPosTS;
void main()
{
gl_Position = transformation * vec4(vertexPosition, 1.0);
mat3 normalMatrix = transpose(inverse(mat3(modelMatrix)));
vec3 T = normalize(normalMatrix * aTangent);
vec3 N = normalize(normalMatrix * vertexNormal);
// re-orthogonalize T with respect to N
T = normalize(T - dot(T, N) * N);
// then retrieve perpendicular vector B with the cross product of T and N
vec3 B = cross(N, T);
mat3 TBN = mat3(T, B, N);
for(int i=0; i<LightsCount; i++)
LightPosTS[i] = TBN * pointLights[i].position;
CameraPosTS = TBN * cameraPos;
FragPosTS = TBN * fragPos;
fragPos = (modelMatrix*vec4(vertexPosition,1)).xyz;
vTexCoord = vertexTexCoord;
}

View File

@ -6,7 +6,6 @@ layout (location = 1) out vec4 BrightColor;
uniform vec3 objectColor; uniform vec3 objectColor;
uniform vec3 cameraPos; uniform vec3 cameraPos;
uniform sampler2D diffuseTexture; uniform sampler2D diffuseTexture;
uniform vec3 colorTex;
in vec3 interpNormal; in vec3 interpNormal;
in vec3 fragPos; in vec3 fragPos;
in vec2 vTexCoord; in vec2 vTexCoord;
@ -17,7 +16,7 @@ void main()
vec3 V = normalize(cameraPos-fragPos); vec3 V = normalize(cameraPos-fragPos);
float coef = pow(max(0,dot(normal,V)),2); float coef = pow(max(0,dot(normal,V)),2);
vec4 textureColor = texture2D(diffuseTexture, -vTexCoord); vec4 textureColor = texture2D(diffuseTexture, -vTexCoord);
vec3 texture = vec3(textureColor.x, textureColor.y, textureColor.z) * colorTex; vec3 texture = vec3(textureColor.x, textureColor.y, textureColor.z) * objectColor;
FragColor = vec4(texture + texture * coef, 1.0); FragColor = vec4(texture + texture * coef, 1.0);
float brightness = dot(FragColor.rgb, vec3(0.2, 0.7, 0.07)); float brightness = dot(FragColor.rgb, vec3(0.2, 0.7, 0.07));

View File

@ -9,9 +9,8 @@ struct PointLight {
float intensity; float intensity;
}; };
#define MAX_POINT_LIGHTS 64 #define MAX_POINT_LIGHTS 16
uniform vec3 objectColor;
uniform vec3 cameraPos; uniform vec3 cameraPos;
uniform sampler2D diffuseTexture; uniform sampler2D diffuseTexture;
uniform sampler2D normalTexture; uniform sampler2D normalTexture;
@ -28,7 +27,7 @@ void main()
{ {
vec3 fragColor = vec3(0,0,0); vec3 fragColor = vec3(0,0,0);
vec4 textureColor = texture2D(diffuseTexture, vTexCoord); vec4 textureColor = texture2D(diffuseTexture, vTexCoord);
vec4 ambient = vec4(0.1, 0.1, 0.1, 1.0) * textureColor; vec3 ambient = vec3(0.2) * textureColor.xyz;
vec3 normal = normalize(interpNormal); vec3 normal = normalize(interpNormal);
for(int i = 0; i < LightsCount; i++) for(int i = 0; i < LightsCount; i++)
{ {
@ -37,19 +36,19 @@ void main()
vec3 V = normalize(cameraPos-fragPos); vec3 V = normalize(cameraPos-fragPos);
vec3 R = reflect(-lightDir,normal); vec3 R = reflect(-lightDir,normal);
float dist = distance(fragPos, pointLights[i].position) / 5; float dist = distance(fragPos, pointLights[i].position);
float distance = (1/dist) * (1/dist); float distance = (1/dist) * (1/dist);
float spec = pow(max(0,dot(R,V)),2); float spec = pow(max(0,dot(R,V)),2);
float diff = max(0,dot(normal,normalize(lightDir))); float diff = max(0,dot(normal,normalize(lightDir)));
vec3 diffuse = pointLights[i].color * diff * distance * pointLights[i].intensity; vec3 diffuse = pointLights[i].color * diff * distance * pointLights[i].intensity;
vec3 specular = spec * pointLights[i].color * (pointLights[i].intensity/dist); vec3 specular = spec * pointLights[i].color * (pointLights[i].intensity/(dist*2));
vec3 texture = vec3(textureColor.x, textureColor.y, textureColor.z); // * pointLights[i].color; vec3 texture = vec3(textureColor.x, textureColor.y, textureColor.z); // * pointLights[i].color;
fragColor += mix(texture,texture*diffuse+vec3(1)*specular,0.9); fragColor += texture*diffuse+vec3(1)*specular;
} }
BrightColor = vec4(0.0, 0.0, 0.0, 1.0); BrightColor = vec4(0.0, 0.0, 0.0, 1.0);
FragColor = vec4(fragColor, 1.0) + ambient; FragColor = vec4(fragColor+ambient,1.0);
} }

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@ -3,6 +3,8 @@
layout(location = 0) in vec3 vertexPosition; layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec2 vertexTexCoord; layout(location = 1) in vec2 vertexTexCoord;
layout(location = 2) in vec3 vertexNormal; layout(location = 2) in vec3 vertexNormal;
layout (location = 3) in vec3 aTangent;
layout (location = 4) in vec3 aBitangent;
uniform mat4 transformation; uniform mat4 transformation;
uniform mat4 modelMatrix; uniform mat4 modelMatrix;

View File

@ -25,41 +25,42 @@ int SCR_HEIGHT = 720;
#define STB_IMAGE_IMPLEMENTATION #define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h" #include "stb_image.h"
int winId; int winId;
GLuint programTex; GLuint programTex;
GLuint programSkybox; GLuint programSkybox;
GLuint programSun; GLuint programSun;
GLuint programBlur; GLuint programBlur;
GLuint programBloom; GLuint programBloom;
GLuint programNormal;
GLuint programParticle; GLuint programParticle;
GLuint VertexArrayID; GLuint programAsteroid;
//bloompart
unsigned int pingpongFBO[2]; unsigned int pingpongFBO[2];
unsigned int pingpongColorbuffers[2]; unsigned int pingpongColorbuffers[2];
unsigned int FBO; unsigned int FBO;
unsigned int colorBuffers[2]; unsigned int colorBuffers[2];
//particlepart //particlepart
GLuint VertexArrayID;
double lastTime; double lastTime;
static GLfloat* g_particule_position_size_data; static GLfloat* g_particule_position_size_data;
static GLubyte* g_particule_color_data; static GLubyte* g_particule_color_data;
GLuint particle_vertex_buffer; GLuint particle_vertex_buffer;
GLuint particles_position_buffer; GLuint particles_position_buffer;
GLuint particles_color_buffer; GLuint particles_color_buffer;
Core::Shader_Loader shaderLoader;
bool bothEngines = true; bool bothEngines = true;
GLuint textureShip_normals; Core::Shader_Loader shaderLoader;
int asteroidAmount = 100;
GLuint sunTexture; GLuint sunTexture;
GLuint earthTexture; GLuint earthTexture;
GLuint moonTexture; GLuint moonTexture;
GLuint skyboxTexture; GLuint skyboxTexture;
GLuint shipTexture;
GLuint particleTexture; GLuint particleTexture;
//Core::RenderContext sphereContext;
//Core::RenderContext shipContext;
//assimp //assimp
std::shared_ptr<Model> cube; std::shared_ptr<Model> cube;
std::shared_ptr<Model> sphere; std::shared_ptr<Model> sphere;
@ -68,16 +69,17 @@ std::shared_ptr<Model> asteroid;
//std::vector<Core::RenderContext> corvetteMeshes; //std::vector<Core::RenderContext> corvetteMeshes;
std::shared_ptr<Model> crewmate; std::shared_ptr<Model> crewmate;
//cameraPos
float cameraAngle = 0; float cameraAngle = 0;
glm::vec3 cameraPos = glm::vec3(-6, 0, 0); glm::vec3 cameraPos = glm::vec3(-6, 0, 0);
glm::vec3 cameraDir; glm::vec3 cameraDir;
glm::vec3 cameraSide; glm::vec3 cameraSide;
glm::mat4 cameraMatrix, perspectiveMatrix; glm::mat4 cameraMatrix, perspectiveMatrix;
glm::vec3 sunPos = glm::vec3(10.0f, 0.0f, -5.0f); glm::vec3 sunPos = glm::vec3(10.0f, 0.0f, -5.0f);
glm::vec3 sunPos2 = glm::vec3(25.0f, -1.0f, 10.0f); glm::vec3 sunPos2 = glm::vec3(25.0f, -1.0f, 10.0f);
//particlepart //particlepart
struct Particle { struct Particle {
glm::vec3 pos, speed; glm::vec3 pos, speed;
@ -90,6 +92,16 @@ struct Particle {
return this->cameradistance > that.cameradistance; return this->cameradistance > that.cameradistance;
} }
}; };
struct Object
{
glm::mat4 modelM;
glm::mat4 invModelM;
std::shared_ptr<Model> modelParent;
GLuint textureID;
GLuint shaderID;
glm::vec3 color;
};
const int MaxParticles = 1000; const int MaxParticles = 1000;
Particle ParticlesContainer[MaxParticles]; Particle ParticlesContainer[MaxParticles];
@ -138,8 +150,9 @@ std::vector<std::string> faces
"skybox/back.jpg" "skybox/back.jpg"
}; };
std::vector<Object> objects;
std::vector<Light> lights; std::vector<Light> lights;
std::vector<glm::mat4> asteroids;
void keyboard(unsigned char key, int x, int y) void keyboard(unsigned char key, int x, int y)
{ {
@ -150,7 +163,7 @@ void keyboard(unsigned char key, int x, int y)
case 'q': case 'q':
{ {
cameraAngle -= angleSpeed; cameraAngle -= angleSpeed;
lights[3].intensity = 0.005; lights[3].intensity = 0.05;
engineLightTimer = 0; engineLightTimer = 0;
break; break;
} }
@ -158,7 +171,7 @@ void keyboard(unsigned char key, int x, int y)
case 'e': case 'e':
{ {
cameraAngle += angleSpeed; cameraAngle += angleSpeed;
lights[2].intensity = 0.005; lights[2].intensity = 0.05;
engineLightTimer = 0; engineLightTimer = 0;
break; break;
} }
@ -166,8 +179,8 @@ void keyboard(unsigned char key, int x, int y)
case 'w': case 'w':
{ {
cameraPos += cameraDir * moveSpeed; cameraPos += cameraDir * moveSpeed;
lights[2].intensity = 0.005; lights[2].intensity = 0.05;
lights[3].intensity = 0.005; lights[3].intensity = 0.05;
engineLightTimer = 0; engineLightTimer = 0;
break; break;
} }
@ -220,31 +233,11 @@ glm::mat4 createCameraMatrix()
} }
float frustumScale = 1.f; float frustumScale = 1.f;
void drawObject(GLuint program, Core::RenderContext context, glm::mat4 modelMatrix, glm::vec3 color)
{
glUseProgram(program);
glUniform3f(glGetUniformLocation(program, "objectColor"), color.x, color.y, color.z);
glm::mat4 transformation = perspectiveMatrix * cameraMatrix * modelMatrix;
glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
Core::DrawContext(context);
glUseProgram(0);
}
//funkcja rysujaca modele za pomoca assimpa //funkcja rysujaca modele za pomoca assimpa
void drawFromAssimpModel(GLuint program, std::shared_ptr<Model> model, glm::mat4 modelMatrix, glm::vec3 color) void drawFromAssimpModel(GLuint program, std::shared_ptr<Model> model, glm::mat4 modelMatrix)
{ {
glUseProgram(program); glUseProgram(program);
glUniform3f(glGetUniformLocation(program, "objectColor"), color.x, color.y, color.z);
glm::mat4 transformation = perspectiveMatrix * cameraMatrix * modelMatrix; glm::mat4 transformation = perspectiveMatrix * cameraMatrix * modelMatrix;
glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix); glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
@ -255,14 +248,13 @@ void drawFromAssimpModel(GLuint program, std::shared_ptr<Model> model, glm::mat4
glUseProgram(0); glUseProgram(0);
} }
void drawFromAssimpTexture(GLuint program, std::shared_ptr<Model> model, glm::mat4 modelMatrix, glm::vec3 color, GLuint texID) void drawFromAssimpTexture(GLuint program, std::shared_ptr<Model> model, glm::mat4 modelMatrix, GLuint texID)
{ {
glUseProgram(program); glUseProgram(program);
glm::mat4 transformation = perspectiveMatrix * cameraMatrix * modelMatrix; glm::mat4 transformation = perspectiveMatrix * cameraMatrix * modelMatrix;
glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix); glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
glUniform3f(glGetUniformLocation(program, "colorTex"), color.x, color.y, color.z);
glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation); glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
Core::SetActiveTexture(texID, "diffuseTexture", program, 0); Core::SetActiveTexture(texID, "diffuseTexture", program, 0);
@ -271,6 +263,31 @@ void drawFromAssimpTexture(GLuint program, std::shared_ptr<Model> model, glm::ma
glUseProgram(0); glUseProgram(0);
} }
void drawObject(Object & obj)
{
glUseProgram(obj.shaderID);
glm::mat4 transformation = perspectiveMatrix * cameraMatrix * obj.modelM;
glUniformMatrix4fv(glGetUniformLocation(obj.shaderID, "modelMatrix"), 1, GL_FALSE, (float*)&obj.modelM);
glUniformMatrix4fv(glGetUniformLocation(obj.shaderID, "transformation"), 1, GL_FALSE, (float*)&transformation);
glUniform3f(glGetUniformLocation(obj.shaderID, "objectColor"), obj.color.r, obj.color.g, obj.color.b);
if (obj.textureID != -1)
Core::SetActiveTexture(obj.textureID, "diffuseTexture", obj.shaderID, 0);
obj.modelParent->Draw(obj.shaderID);
glUseProgram(0);
}
void drawAsteroids()
{
glUseProgram(programAsteroid);
glUniformMatrix4fv(glGetUniformLocation(programAsteroid, "projection"), 1, GL_FALSE, (float*)&perspectiveMatrix);
glUniformMatrix4fv(glGetUniformLocation(programAsteroid, "view"), 1, GL_FALSE, (float*)&cameraMatrix);
asteroid->DrawInstances(programAsteroid, asteroidAmount);
}
//Skybox //Skybox
unsigned int loadCubemap(std::vector<std::string> faces) unsigned int loadCubemap(std::vector<std::string> faces)
{ {
@ -309,14 +326,11 @@ void drawSkybox(GLuint program, std::shared_ptr<Model> cubeModel, GLuint texID)
glDepthFunc(GL_LEQUAL); glDepthFunc(GL_LEQUAL);
glm::mat4 transformation = perspectiveMatrix * glm::mat4(glm::mat3(cameraMatrix)); glm::mat4 transformation = perspectiveMatrix * glm::mat4(glm::mat3(cameraMatrix));
glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation); glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
//glDepthMask(GL_FALSE);
//Core::SetActiveTexture(texID, "skybox", program, 0);
glUniform1i(glGetUniformLocation(program, "skybox"), 0); glUniform1i(glGetUniformLocation(program, "skybox"), 0);
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_CUBE_MAP, texID); glBindTexture(GL_TEXTURE_CUBE_MAP, texID);
cubeModel->Draw(program); cubeModel->Draw(program);
glDepthFunc(GL_LESS); glDepthFunc(GL_LESS);
//glDepthMask(GL_TRUE);
glUseProgram(0); glUseProgram(0);
} }
@ -379,19 +393,31 @@ void drawParticles(int ParticlesCount, glm::mat4 &transformation)
glDisableVertexAttribArray(2); glDisableVertexAttribArray(2);
} }
//Textures void drawBloom()
void drawObjectTexture(GLuint program, Core::RenderContext context, glm::mat4 modelMatrix, glm::vec3 texture, GLuint texID)
{ {
glUseProgram(program); glBindFramebuffer(GL_FRAMEBUFFER, 0);
glm::mat4 transformation = perspectiveMatrix * cameraMatrix * modelMatrix;
glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
glUniform3f(glGetUniformLocation(program, "colorTex"), texture.x, texture.y, texture.z);
glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
Core::SetActiveTexture(texID, "diffuseTexture", program, 0); bool horizontal = true, first_iteration = true;
unsigned int amount = 10;
glUseProgram(programBlur);
for (unsigned int i = 0; i < amount; i++)
{
glBindFramebuffer(GL_FRAMEBUFFER, pingpongFBO[horizontal]);
glUniform1i(glGetUniformLocation(programBlur, "horizontal"), horizontal);
glBindTexture(GL_TEXTURE_2D, first_iteration ? colorBuffers[1] : pingpongColorbuffers[!horizontal]);
renderQuad();
horizontal = !horizontal;
if (first_iteration)
first_iteration = false;
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
Core::DrawContext(context); glUseProgram(programBloom);
glUseProgram(0); glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, colorBuffers[0]);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[!horizontal]);
renderQuad();
} }
//funkcja rysujaca planety (bez obracania wokol wlasnej osi bo ksiezyce sie psuja) //funkcja rysujaca planety (bez obracania wokol wlasnej osi bo ksiezyce sie psuja)
@ -430,15 +456,6 @@ void renderScene()
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//ustalanie pozycji slonc (lightPos)
glm::mat4 sunModelMatrix = glm::mat4(1.0f);
sunModelMatrix = glm::translate(sunModelMatrix, sunPos);
sunModelMatrix = glm::scale(sunModelMatrix, glm::vec3(3.0f, 3.0f, 3.0f));
glm::mat4 sunModelMatrix2 = glm::mat4(1.0f);
sunModelMatrix2 = glm::translate(sunModelMatrix2, sunPos2);
glm::mat4 earth = drawPlanet(time / 5.0f, sunPos*glm::vec3(1.5f, 1, 1), glm::vec3(0.0f, 1.0f, 0.0f), glm::vec3(-10.5f, 0.0f, -10.5f), glm::vec3(0.5f, 0.5f, 0.5f)); glm::mat4 earth = drawPlanet(time / 5.0f, sunPos*glm::vec3(1.5f, 1, 1), glm::vec3(0.0f, 1.0f, 0.0f), glm::vec3(-10.5f, 0.0f, -10.5f), glm::vec3(0.5f, 0.5f, 0.5f));
glm::mat4 moon = drawMoon(earth, time / 2.0f, glm::vec3(1.0f, 0.0f, 0.0f), glm::vec3(0, 1, 1), glm::vec3(1.5f, 1.0f, 1.0f), glm::vec3(0.3f, 0.3f, 0.3f)); glm::mat4 moon = drawMoon(earth, time / 2.0f, glm::vec3(1.0f, 0.0f, 0.0f), glm::vec3(0, 1, 1), glm::vec3(1.5f, 1.0f, 1.0f), glm::vec3(0.3f, 0.3f, 0.3f));
earth = glm::rotate(earth, time / 3.0f, glm::vec3(0.0f, 0.0f, 1.0f)); earth = glm::rotate(earth, time / 3.0f, glm::vec3(0.0f, 0.0f, 1.0f));
@ -449,12 +466,7 @@ void renderScene()
glm::mat4 crewmateModelMatrix = glm::translate(glm::vec3(0, 1, 1)) * glm::rotate(time / 2, glm::vec3(1, 0, 1)) * glm::scale(glm::vec3(0.01)); glm::mat4 crewmateModelMatrix = glm::translate(glm::vec3(0, 1, 1)) * glm::rotate(time / 2, glm::vec3(1, 0, 1)) * glm::scale(glm::vec3(0.01));
glm::mat4 shipModelMatrix = glm::translate(cameraPos + cameraDir * 0.7f + glm::vec3(0, -0.25f, 0)) * glm::rotate(-cameraAngle + glm::radians(90.0f), glm::vec3(0, 1, 0)) * glm::scale(glm::vec3(0.0001f)); glm::mat4 shipModelMatrix = glm::translate(cameraPos + cameraDir * 0.7f + glm::vec3(0, -0.25f, 0)) * glm::rotate(-cameraAngle + glm::radians(90.0f), glm::vec3(0, 1, 0)) * glm::scale(glm::vec3(0.0001f));
glm::mat4 testModelMatrix = glm::translate(glm::vec3(1, 0, 0)); glm::mat4 testModelMatrix = glm::translate(glm::vec3(1, 0, 0)) * glm::scale(glm::vec3(0.5f));
glUseProgram(programTex);
lights[0].position = sunPos;
lights[1].position = sunPos2;
glm::mat4 engineLeft = glm::translate(shipModelMatrix, glm::vec3(450, 0, -1500)); glm::mat4 engineLeft = glm::translate(shipModelMatrix, glm::vec3(450, 0, -1500));
lights[2].position = glm::vec3(engineLeft[3][0], engineLeft[3][1], engineLeft[3][2]); lights[2].position = glm::vec3(engineLeft[3][0], engineLeft[3][1], engineLeft[3][2]);
@ -462,6 +474,7 @@ void renderScene()
glm::mat4 engineRight = glm::translate(shipModelMatrix, glm::vec3(-450, 0, -1500)); glm::mat4 engineRight = glm::translate(shipModelMatrix, glm::vec3(-450, 0, -1500));
lights[3].position = glm::vec3(engineRight[3][0], engineRight[3][1], engineRight[3][2]); lights[3].position = glm::vec3(engineRight[3][0], engineRight[3][1], engineRight[3][2]);
glUseProgram(programTex);
glUniform1i(glGetUniformLocation(programTex,"LightsCount"), lights.size()); glUniform1i(glGetUniformLocation(programTex,"LightsCount"), lights.size());
for (int i = 0; i < lights.size(); i++) for (int i = 0; i < lights.size(); i++)
@ -476,22 +489,54 @@ void renderScene()
glUniform3f(glGetUniformLocation(programTex, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z); glUniform3f(glGetUniformLocation(programTex, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
drawFromAssimpModel(programTex, corvette, shipModelMatrix, glm::vec3(1));
drawFromAssimpModel(programTex, crewmate, crewmateModelMatrix, glm::vec3(1));
drawFromAssimpModel(programTex, asteroid, testModelMatrix, glm::vec3(1));
drawFromAssimpModel(programTex, crewmate, crewmateModelMatrix);
//rysowanie Ziemi z ksiezycem //rysowanie Ziemi z ksiezycem
drawFromAssimpTexture(programTex, sphere, earth, glm::vec3(0.8f, 0.8f, 0.8f), earthTexture); drawFromAssimpTexture(programTex, sphere, earth, earthTexture);
drawFromAssimpTexture(programTex, sphere, moon, glm::vec3(0.9f, 1.0f, 0.9f), moonTexture); drawFromAssimpTexture(programTex, sphere, moon, moonTexture);
drawFromAssimpTexture(programTex, sphere, planet1, glm::vec3(0.4f, 0.2f, 0.9f), moonTexture); drawFromAssimpTexture(programTex, sphere, planet1, moonTexture);
glUseProgram(programNormal);
glUniform1i(glGetUniformLocation(programNormal, "LightsCount"), lights.size());
for (int i = 0; i < lights.size(); i++)
{
std::string col = "pointLights[" + std::to_string(i) + "].color";
std::string pos = "pointLights[" + std::to_string(i) + "].position";
std::string ins = "pointLights[" + std::to_string(i) + "].intensity";
glUniform3f(glGetUniformLocation(programNormal, col.c_str()), lights[i].color.x, lights[i].color.y, lights[i].color.z);
glUniform3f(glGetUniformLocation(programNormal, pos.c_str()), lights[i].position.x, lights[i].position.y, lights[i].position.z);
glUniform1f(glGetUniformLocation(programNormal, ins.c_str()), lights[i].intensity);
}
glUniform3f(glGetUniformLocation(programNormal, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
drawFromAssimpModel(programNormal, asteroid, testModelMatrix);
drawFromAssimpModel(programNormal, corvette, shipModelMatrix);
glUseProgram(programSun); glUseProgram(programSun);
glUniform3f(glGetUniformLocation(programSun, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z); glUniform3f(glGetUniformLocation(programSun, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
drawFromAssimpTexture(programSun, sphere, sunModelMatrix, glm::vec3(3.5f, 3.8f, 3.8f), sunTexture); for (Object & obj : objects)
drawFromAssimpTexture(programSun, sphere, sunModelMatrix2, glm::vec3(0.9f, 0.9f, 2.0f), sunTexture); drawObject(obj);
//asteroidpart
glUseProgram(programAsteroid);
glUniform1i(glGetUniformLocation(programAsteroid, "LightsCount"), lights.size());
for (int i = 0; i < lights.size(); i++)
{
std::string col = "pointLights[" + std::to_string(i) + "].color";
std::string pos = "pointLights[" + std::to_string(i) + "].position";
std::string ins = "pointLights[" + std::to_string(i) + "].intensity";
glUniform3f(glGetUniformLocation(programAsteroid, col.c_str()), lights[i].color.x, lights[i].color.y, lights[i].color.z);
glUniform3f(glGetUniformLocation(programAsteroid, pos.c_str()), lights[i].position.x, lights[i].position.y, lights[i].position.z);
glUniform1f(glGetUniformLocation(programAsteroid, ins.c_str()), lights[i].intensity);
}
glUniform3f(glGetUniformLocation(programAsteroid, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
drawAsteroids();
//particlepart //particlepart
glUseProgram(programParticle); glUseProgram(programParticle);
//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@ -504,7 +549,6 @@ void renderScene()
int newparticles = 0; int newparticles = 0;
if (engineLightTimer < 30) if (engineLightTimer < 30)
{ {
engineLightTimer++; engineLightTimer++;
@ -599,36 +643,73 @@ void renderScene()
SortParticles(); SortParticles();
drawParticles(ParticlesCount, transformation); drawParticles(ParticlesCount, transformation);
drawSkybox(programSkybox, cube, skyboxTexture); drawSkybox(programSkybox, cube, skyboxTexture);
glBindFramebuffer(GL_FRAMEBUFFER, 0); drawBloom();
bool horizontal = true, first_iteration = true;
unsigned int amount = 10;
glUseProgram(programBlur);
for (unsigned int i = 0; i < amount; i++)
{
glBindFramebuffer(GL_FRAMEBUFFER, pingpongFBO[horizontal]);
glUniform1i(glGetUniformLocation(programBlur, "horizontal"), horizontal);
glBindTexture(GL_TEXTURE_2D, first_iteration ? colorBuffers[1] : pingpongColorbuffers[!horizontal]);
renderQuad();
horizontal = !horizontal;
if (first_iteration)
first_iteration = false;
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glUseProgram(programBloom);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, colorBuffers[0]);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, pingpongColorbuffers[!horizontal]);
renderQuad();
glutSwapBuffers(); glutSwapBuffers();
} }
void init_particles() void initAsteroids()
{
int amount = asteroidAmount;
float radius = 15.0;
float offset = 25.0f;
for (int i=0; i < amount; i++)
{
glm::mat4 model = glm::mat4(1.0f);
float angle = (float)i / (float)amount * 360.0f;
float displacement = (rand() % (int)(2 * offset * 100)) / 100.0f - offset;
float x = sin(angle) * radius + displacement;
displacement = (rand() % (int)(2 * offset * 100)) / 100.0f - offset;
float y = displacement * 0.4f;
displacement = (rand() % (int)(2 * offset * 100)) / 100.0f - offset;
float z = cos(angle) * radius + displacement;
model = glm::translate(model, glm::vec3(x, y, z));
float scale = (rand() % 20) / 100.0f + 0.05;
model = glm::scale(model, glm::vec3(scale));
float rotAngle = (rand() % 360);
model = glm::rotate(model, rotAngle, glm::vec3(0.4f, 0.6f, 0.8f));
asteroids.push_back(model);
}
unsigned int buffer;
glGenBuffers(1, &buffer);
glBindBuffer(GL_ARRAY_BUFFER, buffer);
glBufferData(GL_ARRAY_BUFFER, amount * sizeof(glm::mat4), &asteroids[0], GL_STATIC_DRAW);
for (unsigned int i = 0; i < asteroid->meshes.size(); i++)
{
unsigned int VAO = asteroid->meshes[i].VAO;
glBindVertexArray(VAO);
// set attribute pointers for matrix (4 times vec4)
glEnableVertexAttribArray(5);
glVertexAttribPointer(5, 4, GL_FLOAT, GL_FALSE, sizeof(glm::mat4), (void*)0);
glEnableVertexAttribArray(6);
glVertexAttribPointer(6, 4, GL_FLOAT, GL_FALSE, sizeof(glm::mat4), (void*)(sizeof(glm::vec4)));
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 4, GL_FLOAT, GL_FALSE, sizeof(glm::mat4), (void*)(2 * sizeof(glm::vec4)));
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, sizeof(glm::mat4), (void*)(3 * sizeof(glm::vec4)));
glVertexAttribDivisor(5, 1);
glVertexAttribDivisor(6, 1);
glVertexAttribDivisor(7, 1);
glVertexAttribDivisor(8, 1);
glBindVertexArray(0);
}
}
void initParticles()
{ {
glGenVertexArrays(1, &VertexArrayID); glGenVertexArrays(1, &VertexArrayID);
glBindVertexArray(VertexArrayID); glBindVertexArray(VertexArrayID);
@ -661,7 +742,7 @@ void init_particles()
lastTime = glutGet(GLUT_ELAPSED_TIME) / 1000.f; lastTime = glutGet(GLUT_ELAPSED_TIME) / 1000.f;
} }
void init_bloom() void initBloom()
{ {
glGenFramebuffers(1, &FBO); glGenFramebuffers(1, &FBO);
glBindFramebuffer(GL_FRAMEBUFFER, FBO); glBindFramebuffer(GL_FRAMEBUFFER, FBO);
@ -711,15 +792,42 @@ void init_bloom()
} }
} }
void initObjects()
{
Object obj;
//ustalanie pozycji slonc (lightPos)
glm::mat4 sunModelMatrix = glm::mat4(1.0f);
sunModelMatrix = glm::translate(sunModelMatrix, sunPos);
sunModelMatrix = glm::scale(sunModelMatrix, glm::vec3(3.0f, 3.0f, 3.0f));
obj.modelM = sunModelMatrix;
obj.invModelM = glm::inverse(sunModelMatrix);
obj.modelParent = sphere;
obj.textureID = sunTexture;
obj.shaderID = programSun;
obj.color = glm::vec3(3.5f, 3.8f, 3.8f);
objects.push_back(obj);
glm::mat4 sunModelMatrix2 = glm::mat4(1.0f);
sunModelMatrix2 = glm::translate(sunModelMatrix2, sunPos2);
obj.modelM = sunModelMatrix2;
obj.invModelM = glm::inverse(sunModelMatrix2);
obj.color = glm::vec3(0.9f, 0.9f, 2.0f);
objects.push_back(obj);
}
void init() void init()
{ {
glEnable(GL_DEPTH_TEST); glEnable(GL_DEPTH_TEST);
programTex = shaderLoader.CreateProgram("shaders/shader_tex.vert", "shaders/shader_tex.frag"); programTex = shaderLoader.CreateProgram("shaders/shader_tex.vert", "shaders/shader_tex.frag");
programNormal = shaderLoader.CreateProgram("shaders/shader_normal.vert", "shaders/shader_normal.frag");
programSkybox = shaderLoader.CreateProgram("shaders/shader_skybox.vert", "shaders/shader_skybox.frag"); programSkybox = shaderLoader.CreateProgram("shaders/shader_skybox.vert", "shaders/shader_skybox.frag");
programSun = shaderLoader.CreateProgram("shaders/shader_sun.vert", "shaders/shader_sun.frag"); programSun = shaderLoader.CreateProgram("shaders/shader_sun.vert", "shaders/shader_sun.frag");
programBlur = shaderLoader.CreateProgram("shaders/shader_blur.vert", "shaders/shader_blur.frag"); programBlur = shaderLoader.CreateProgram("shaders/shader_blur.vert", "shaders/shader_blur.frag");
programBloom = shaderLoader.CreateProgram("shaders/shader_bloom.vert", "shaders/shader_bloom.frag"); programBloom = shaderLoader.CreateProgram("shaders/shader_bloom.vert", "shaders/shader_bloom.frag");
programParticle = shaderLoader.CreateProgram("shaders/shader_particle.vert", "shaders/shader_particle.frag"); programParticle = shaderLoader.CreateProgram("shaders/shader_particle.vert", "shaders/shader_particle.frag");
programAsteroid = shaderLoader.CreateProgram("shaders/shader_asteroid.vert", "shaders/shader_asteroid.frag");
glUseProgram(programBlur); glUseProgram(programBlur);
glUniform1i(glGetUniformLocation(programBlur, "image"), 0); glUniform1i(glGetUniformLocation(programBlur, "image"), 0);
@ -740,39 +848,40 @@ void init()
//sphereContext.initFromOBJ(sphereModel); //sphereContext.initFromOBJ(sphereModel);
//cubeContext.initFromOBJ(cubeModel); //cubeContext.initFromOBJ(cubeModel);
//shipContext.initFromOBJ(shipModel); //shipContext.initFromOBJ(shipModel);
shipTexture = Core::LoadTexture("textures/spaceship.png");
sunTexture = Core::LoadTexture("textures/sun.png"); sunTexture = Core::LoadTexture("textures/sun.png");
earthTexture = Core::LoadTexture("textures/earth2.png"); earthTexture = Core::LoadTexture("textures/earth2.png");
moonTexture = Core::LoadTexture("textures/moon.png"); moonTexture = Core::LoadTexture("textures/moon.png");
particleTexture = Core::LoadTexture("textures/sun.png"); particleTexture = Core::LoadTexture("textures/sun.png");
skyboxTexture = loadCubemap(faces); skyboxTexture = loadCubemap(faces);
init_particles();
init_bloom();
initParticles();
initBloom();
initObjects();
initAsteroids();
Light l1; Light l1;
l1.position = sunPos; l1.position = sunPos;
l1.color = glm::vec3(0.8f, 0.8f, 0.7f); l1.color = glm::vec3(0.8f, 0.8f, 0.7f);
l1.intensity = 7; l1.intensity = 25;
lights.push_back(l1); lights.push_back(l1);
Light l2; Light l2;
l2.position = sunPos2; l2.position = sunPos2;
l2.color = glm::vec3(0.5f, 0.5f, 0.5f); l2.color = glm::vec3(0.5f, 0.5f, 0.5f);
l2.intensity = 2; l2.intensity = 15;
lights.push_back(l2); lights.push_back(l2);
Light l3; Light l3;
l3.position = glm::vec3(0); l3.position = glm::vec3(0);
l3.color = glm::vec3(1.0f, 0.0f, 0.0f); l3.color = glm::vec3(1.0f, 0.0f, 0.0f);
l3.intensity = 0.0001; l3.intensity = 0.001;
lights.push_back(l3); lights.push_back(l3);
Light l4; Light l4;
l4.position = glm::vec3(0); l4.position = glm::vec3(0);
l4.color = glm::vec3(1.0f, 0.0f, 0.0f); l4.color = glm::vec3(1.0f, 0.0f, 0.0f);
l4.intensity = 0.0001; l4.intensity = 0.001;
lights.push_back(l4); lights.push_back(l4);
} }

View File

@ -101,6 +101,53 @@ public:
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
} }
// render the mesh
void DrawInstances(GLuint program, int amount)
{
// bind appropriate textures
unsigned int diffuseNr = 1;
unsigned int specularNr = 1;
unsigned int normalNr = 1;
unsigned int heightNr = 1;
for (unsigned int i = 0; i < textures.size(); i++)
{
glActiveTexture(GL_TEXTURE0 + i); // active proper texture unit before binding
// retrieve texture number (the N in diffuse_textureN)
string number;
string name = textures[i].type;
if (name == "texture_diffuse")
glUniform1i(glGetUniformLocation(program, "diffuseTexture"), i);
//number = std::to_string(diffuseNr++);
else if (name == "texture_specular")
glUniform1i(glGetUniformLocation(program, "specularTexture"), i);
//number = std::to_string(specularNr++); // transfer unsigned int to stream
else if (name == "texture_normal")
glUniform1i(glGetUniformLocation(program, "normalTexture"), i);
//number = std::to_string(normalNr++); // transfer unsigned int to stream
else if (name == "texture_height")
glUniform1i(glGetUniformLocation(program, "heightTexture"), i);
//number = std::to_string(heightNr++); // transfer unsigned int to stream
// now set the sampler to the correct texture unit
//glUniform1i(glGetUniformLocation(program, (name + number).c_str()), i);
//glUniform1i(glGetUniformLocation(program, "colorTexture"), i);
// and finally bind the texture
glBindTexture(GL_TEXTURE_2D, textures[i].id);
}
//glUniformMatrix4fv(glGetUniformLocation(program, "model"), 1, GL_FALSE, (float*)&matrix);
// draw mesh
glBindVertexArray(VAO);
glDrawElementsInstanced(GL_TRIANGLES, indices.size(), GL_UNSIGNED_INT, 0, amount);
glBindVertexArray(0);
// always good practice to set everything back to defaults once configured.
glActiveTexture(GL_TEXTURE0);
}
private: private:
// render data // render data
unsigned int VBO, EBO; unsigned int VBO, EBO;

View File

@ -49,6 +49,13 @@ public:
meshes[i].Draw(shader); meshes[i].Draw(shader);
} }
// draws Instances
void DrawInstances(GLuint shader, int amount)
{
for (unsigned int i = 0; i < meshes.size(); i++)
meshes[i].DrawInstances(shader, amount);
}
private: private:
// loads a model with supported ASSIMP extensions from file and stores the resulting meshes in the meshes vector. // loads a model with supported ASSIMP extensions from file and stores the resulting meshes in the meshes vector.
void loadModel(string const& path) void loadModel(string const& path)