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18
cw 9/shaders/shader_5_1_tex.frag
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#version 430 core
float AMBIENT = 0.1;
uniform vec3 color;
uniform vec3 lightPos;
in vec3 vecNormal;
in vec3 worldPos;
out vec4 outColor;
void main()
{
vec3 lightDir = normalize(lightPos-worldPos);
vec3 normal = normalize(vecNormal);
float diffuse=max(0,dot(normal,lightDir));
outColor = vec4(color*min(1,AMBIENT+diffuse), 1.0);
}

18
cw 9/shaders/shader_5_1_tex.vert
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#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec3 vertexNormal;
layout(location = 2) in vec2 vertexTexCoord;
uniform mat4 transformation;
uniform mat4 modelMatrix;
out vec3 vecNormal;
out vec3 worldPos;
void main()
{
worldPos = (modelMatrix* vec4(vertexPosition,1)).xyz;
vecNormal = (modelMatrix* vec4(vertexNormal,0)).xyz;
gl_Position = transformation * vec4(vertexPosition, 1.0);
}

11
cw 9/shaders/shader_8_sun.frag
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#version 430 core
uniform vec3 color;
uniform float exposition;
out vec4 outColor;
void main()
{
outColor = vec4(vec3(1.0) - exp(-color*exposition),1);
}

13
cw 9/shaders/shader_8_sun.vert
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#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec3 vertexNormal;
layout(location = 2) in vec2 vertexTexCoord;
uniform mat4 transformation;
void main()
{
gl_Position = transformation * vec4(vertexPosition, 1.0);
//gl_Position = vec4(vertexPosition, 1.0);
}

147
cw 9/shaders/shader_9_1.frag
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#version 430 core
float AMBIENT = 0.03;
float PI = 3.14;
float shadowBias = 0.01;
uniform sampler2D depthMap;
uniform vec3 cameraPos;
uniform vec3 color;
uniform vec3 sunDir;
uniform vec3 sunColor;
uniform vec3 lightPos;
uniform vec3 lightColor;
uniform vec3 spotlightPos;
uniform vec3 spotlightColor;
uniform vec3 spotlightConeDir;
uniform vec3 spotlightPhi;
uniform float metallic;
uniform float roughness;
uniform float exposition;
in vec3 vecNormal;
in vec3 worldPos;
out vec4 outColor;
in vec3 viewDirTS;
in vec3 lightDirTS;
in vec3 spotlightDirTS;
in vec3 sunDirTS;
in vec4 sunSpacePos;
in vec3 test;
float calculateShadow() {
vec4 sunSpacePosU = sunSpacePos / sunSpacePos.w;
vec4 sunSpacePosNormalized = sunSpacePosU * 0.5 + 0.5;
float closestDepth = texture2D(depthMap, sunSpacePosNormalized.xy).r;
if (closestDepth + shadowBias > sunSpacePosNormalized.z) {
return 1.0;
}
return 0.0;
}
float DistributionGGX(vec3 normal, vec3 H, float roughness){
float a = roughness*roughness;
float a2 = a*a;
float NdotH = max(dot(normal, H), 0.0);
float NdotH2 = NdotH*NdotH;
float num = a2;
float denom = (NdotH2 * (a2 - 1.0) + 1.0);
denom = PI * denom * denom;
return num / denom;
}
float GeometrySchlickGGX(float NdotV, float roughness){
float r = (roughness + 1.0);
float k = (r*r) / 8.0;
float num = NdotV;
float denom = NdotV * (1.0 - k) + k;
return num / denom;
}
float GeometrySmith(vec3 normal, vec3 V, vec3 lightDir, float roughness){
float NdotV = max(dot(normal, V), 0.0);
float NdotL = max(dot(normal, lightDir), 0.0);
float ggx2 = GeometrySchlickGGX(NdotV, roughness);
float ggx1 = GeometrySchlickGGX(NdotL, roughness);
return ggx1 * ggx2;
}
vec3 fresnelSchlick(float cosTheta, vec3 F0){
return F0 + (1.0 - F0) * pow(clamp(1.0 - cosTheta, 0.0, 1.0), 5.0);
}
vec3 PBRLight(vec3 lightDir, vec3 radiance, vec3 normal, vec3 V){
float diffuse=max(0,dot(normal,lightDir));
//vec3 V = normalize(cameraPos-worldPos);
vec3 F0 = vec3(0.04);
F0 = mix(F0, color, metallic);
vec3 H = normalize(V + lightDir);
// cook-torrance brdf
float NDF = DistributionGGX(normal, H, roughness);
float G = GeometrySmith(normal, V, lightDir, roughness);
vec3 F = fresnelSchlick(max(dot(H, V), 0.0), F0);
vec3 kS = F;
vec3 kD = vec3(1.0) - kS;
kD *= 1.0 - metallic;
vec3 numerator = NDF * G * F;
float denominator = 4.0 * max(dot(normal, V), 0.0) * max(dot(normal, lightDir), 0.0) + 0.0001;
vec3 specular = numerator / denominator;
// add to outgoing radiance Lo
float NdotL = max(dot(normal, lightDir), 0.0);
return (kD * color / PI + specular) * radiance * NdotL;
}
void main()
{
//vec3 normal = vec3(0,0,1);
vec3 normal = normalize(vecNormal);
//vec3 viewDir = normalize(viewDirTS);
vec3 viewDir = normalize(cameraPos-worldPos);
//vec3 lightDir = normalize(lightDirTS);
vec3 lightDir = normalize(lightPos-worldPos);
vec3 ambient = AMBIENT*color;
vec3 attenuatedlightColor = lightColor/pow(length(lightPos-worldPos),2);
vec3 ilumination;
ilumination = ambient+PBRLight(lightDir,attenuatedlightColor,normal,viewDir);
//flashlight
//vec3 spotlightDir= normalize(spotlightDirTS);
vec3 spotlightDir= normalize(spotlightPos-worldPos);
float angle_atenuation = clamp((dot(-normalize(spotlightPos-worldPos),spotlightConeDir)-0.5)*3,0,1);
attenuatedlightColor = angle_atenuation*spotlightColor/pow(length(spotlightPos-worldPos),2);
ilumination=ilumination+PBRLight(spotlightDir,attenuatedlightColor,normal,viewDir);
//sun
ilumination=ilumination+PBRLight(sunDir, sunColor * calculateShadow(), normal, viewDir);
outColor = vec4(vec3(1.0) - exp(-ilumination*exposition),1);
//outColor = vec4(roughness,metallic,0,1);
//outColor = vec4(test;
}

46
cw 9/shaders/shader_9_1.vert
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#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec3 vertexNormal;
layout(location = 2) in vec2 vertexTexCoord;
layout(location = 3) in vec3 vertexTangent;
layout(location = 4) in vec3 vertexBitangent;
uniform mat4 transformation;
uniform mat4 modelMatrix;
uniform mat4 LightVP;
out vec3 vecNormal;
out vec3 worldPos;
uniform vec3 lightPos;
uniform vec3 spotlightPos;
uniform vec3 cameraPos;
uniform vec3 sunDir;
out vec3 viewDirTS;
out vec3 lightDirTS;
out vec3 spotlightDirTS;
out vec3 sunDirTS;
out vec4 sunSpacePos;
void main()
{
worldPos = (modelMatrix* vec4(vertexPosition,1)).xyz;
vecNormal = (modelMatrix* vec4(vertexNormal,0)).xyz;
gl_Position = transformation * vec4(vertexPosition, 1.0);
vec3 w_tangent = normalize(mat3(modelMatrix)*vertexTangent);
vec3 w_bitangent = normalize(mat3(modelMatrix)*vertexBitangent);
mat3 TBN = transpose(mat3(w_tangent, w_bitangent, vecNormal));
vec3 V = normalize(cameraPos-worldPos);
viewDirTS = TBN*V;
vec3 L = normalize(lightPos-worldPos);
lightDirTS = TBN*L;
vec3 SL = normalize(spotlightPos-worldPos);
spotlightDirTS = TBN*SL;
sunDirTS = TBN*sunDir;
sunSpacePos=LightVP*modelMatrix*vec4(vertexPosition,1);
}

5
cw 9/shaders/shadow_shader.frag
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#version 430 core
void main()
{
}

13
cw 9/shaders/shadow_shader.vert
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#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec3 vertexNormal;
layout(location = 2) in vec2 vertexTexCoord;
uniform mat4 viewProjectionMatrix;
uniform mat4 modelMatrix;
void main()
{
gl_Position = viewProjectionMatrix * modelMatrix * vec4(vertexPosition, 1.0);
}

12
cw 9/shaders/test.frag
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#version 330 core
out vec4 FragColor;
in vec2 tc;
uniform sampler2D depthMap;
void main()
{
float depthValue = texture(depthMap, tc).r;
FragColor = vec4(vec3(depthValue+0.5), 1.0);
}

14
cw 9/shaders/test.vert
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#version 430 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec3 vertexNormal;
layout(location = 2) in vec2 vertexTexCoord;
out vec2 tc;
void main()
{
tc = vertexTexCoord;
gl_Position = vec4(vertexPosition*0.9, 1.0);
}

439
cw 9/src/ex_9_1.hpp
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#include "glew.h"
#include <GLFW/glfw3.h>
#include "glm.hpp"
#include "ext.hpp"
#include <iostream>
#include <cmath>
#include "Shader_Loader.h"
#include "Render_Utils.h"
//#include "Texture.h"
#include "Box.cpp"
#include <assimp/Importer.hpp>
#include <assimp/scene.h>
#include <assimp/postprocess.h>
#include <string>
const unsigned int SHADOW_WIDTH = 1024, SHADOW_HEIGHT = 1024;
int WIDTH = 500, HEIGHT = 500;
namespace models {
Core::RenderContext bedContext;
Core::RenderContext chairContext;
Core::RenderContext deskContext;
Core::RenderContext doorContext;
Core::RenderContext drawerContext;
Core::RenderContext marbleBustContext;
Core::RenderContext materaceContext;
Core::RenderContext pencilsContext;
Core::RenderContext planeContext;
Core::RenderContext roomContext;
Core::RenderContext spaceshipContext;
Core::RenderContext sphereContext;
Core::RenderContext windowContext;
Core::RenderContext testContext;
}
GLuint depthMapFBO;
GLuint depthMap;
GLuint program;
GLuint programSun;
GLuint programTest;
GLuint programTex;
GLuint programDepth;
glm::mat4 lightVP;
Core::Shader_Loader shaderLoader;
Core::RenderContext shipContext;
Core::RenderContext sphereContext;
glm::vec3 sunPos = glm::vec3(-4.740971f, 2.149999f, 0.369280f);
glm::vec3 sunDir = glm::vec3(-0.93633f, 0.351106, 0.003226f);
glm::vec3 sunColor = glm::vec3(0.9f, 0.9f, 0.7f)*5;
glm::vec3 cameraPos = glm::vec3(0.479490f, 1.250000f, -2.124680f);
glm::vec3 cameraDir = glm::vec3(-0.354510f, 0.000000f, 0.935054f);
glm::vec3 spaceshipPos = glm::vec3(0.065808f, 1.250000f, -2.189549f);
glm::vec3 spaceshipDir = glm::vec3(-0.490263f, 0.000000f, 0.871578f);
GLuint VAO,VBO;
float aspectRatio = 1.f;
float exposition = 1.f;
glm::vec3 pointlightPos = glm::vec3(0, 2, 0);
glm::vec3 pointlightColor = glm::vec3(0.9, 0.6, 0.6);
glm::vec3 spotlightPos = glm::vec3(0, 0, 0);
glm::vec3 spotlightConeDir = glm::vec3(0, 0, 0);
glm::vec3 spotlightColor = glm::vec3(0.4, 0.4, 0.9)*3;
float spotlightPhi = 3.14 / 4;
float lastTime = -1.f;
float deltaTime = 0.f;
void updateDeltaTime(float time) {
if (lastTime < 0) {
lastTime = time;
return;
}
deltaTime = time - lastTime;
if (deltaTime > 0.1) deltaTime = 0.1;
lastTime = time;
}
glm::mat4 createCameraMatrix()
{
glm::vec3 cameraSide = glm::normalize(glm::cross(cameraDir,glm::vec3(0.f,1.f,0.f)));
glm::vec3 cameraUp = glm::normalize(glm::cross(cameraSide,cameraDir));
glm::mat4 cameraRotrationMatrix = glm::mat4({
cameraSide.x,cameraSide.y,cameraSide.z,0,
cameraUp.x,cameraUp.y,cameraUp.z ,0,
-cameraDir.x,-cameraDir.y,-cameraDir.z,0,
0.,0.,0.,1.,
});
cameraRotrationMatrix = glm::transpose(cameraRotrationMatrix);
glm::mat4 cameraMatrix = cameraRotrationMatrix * glm::translate(-cameraPos);
return cameraMatrix;
}
glm::mat4 createPerspectiveMatrix()
{
glm::mat4 perspectiveMatrix;
float n = 0.05;
float f = 20.;
float a1 = glm::min(aspectRatio, 1.f);
float a2 = glm::min(1 / aspectRatio, 1.f);
perspectiveMatrix = glm::mat4({
1,0.,0.,0.,
0.,aspectRatio,0.,0.,
0.,0.,(f+n) / (n - f),2*f * n / (n - f),
0.,0.,-1.,0.,
});
perspectiveMatrix=glm::transpose(perspectiveMatrix);
return perspectiveMatrix;
}
void drawObjectPBR(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color, float roughness, float metallic) {
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, depthMap);
glUniformMatrix4fv(glGetUniformLocation(program, "LightVP"), 1, GL_FALSE, (float*)&lightVP);
glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
glUniform1f(glGetUniformLocation(program, "exposition"), exposition);
glUniform1f(glGetUniformLocation(program, "roughness"), roughness);
glUniform1f(glGetUniformLocation(program, "metallic"), metallic);
glUniform3f(glGetUniformLocation(program, "color"), color.x, color.y, color.z);
glUniform3f(glGetUniformLocation(program, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
glUniform3f(glGetUniformLocation(program, "sunDir"), sunDir.x, sunDir.y, sunDir.z);
glUniform3f(glGetUniformLocation(program, "sunColor"), sunColor.x, sunColor.y, sunColor.z);
glUniform3f(glGetUniformLocation(program, "lightPos"), pointlightPos.x, pointlightPos.y, pointlightPos.z);
glUniform3f(glGetUniformLocation(program, "lightColor"), pointlightColor.x, pointlightColor.y, pointlightColor.z);
glUniform3f(glGetUniformLocation(program, "spotlightConeDir"), spotlightConeDir.x, spotlightConeDir.y, spotlightConeDir.z);
glUniform3f(glGetUniformLocation(program, "spotlightPos"), spotlightPos.x, spotlightPos.y, spotlightPos.z);
glUniform3f(glGetUniformLocation(program, "spotlightColor"), spotlightColor.x, spotlightColor.y, spotlightColor.z);
glUniform1f(glGetUniformLocation(program, "spotlightPhi"), spotlightPhi);
Core::DrawContext(context);
}
void drawObjectDepth(Core::RenderContext& context, glm::mat4 modelMatrix, glm::mat4 viewProjection) {
glUniformMatrix4fv(glGetUniformLocation(programDepth, "viewProjectionMatrix"), 1, GL_FALSE, (float*)&viewProjection);
glUniformMatrix4fv(glGetUniformLocation(programDepth, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
Core::DrawContext(context);
}
void renderShadowapSun() {
float time = glfwGetTime();
//uzupelnij o renderowanie glebokosci do tekstury
//ustawianie przestrzeni rysowania
glViewport(0, 0, SHADOW_WIDTH, SHADOW_HEIGHT);
//bindowanie FBO
glBindFramebuffer(GL_FRAMEBUFFER, depthMapFBO);
//czyszczenie mapy głębokości
glClear(GL_DEPTH_BUFFER_BIT);
//ustawianie programu
glUseProgram(programDepth);
//viewProjection matrix
lightVP = glm::ortho(-2.9f, 2.2f, -1.1f, 2.7f, 1.f, 30.0f) * glm::lookAt(sunPos, sunPos - sunDir, glm::vec3(0, 1, 0));
//lightVP = glm::ortho(-10.f, 10.f, -10.f, 10.f, 1.f, 30.0f) * glm::lookAt(sunPos, sunPos - sunDir, glm::vec3(0, 1, 0));
//draw
//lamp
drawObjectDepth(sphereContext,
glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1)),
lightVP);
drawObjectDepth(sphereContext,
glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1)) * glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::scale(glm::vec3(0.3f)),
lightVP);
drawObjectDepth(sphereContext,
glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1)) * glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::eulerAngleY(time) * glm::translate(glm::vec3(1.f, 0, 0)) * glm::scale(glm::vec3(0.1f)),
lightVP);
drawObjectDepth(models::bedContext, glm::mat4(), lightVP);
drawObjectDepth(models::chairContext, glm::mat4(), lightVP);
drawObjectDepth(models::deskContext, glm::mat4(), lightVP);
drawObjectDepth(models::doorContext, glm::mat4(), lightVP);
drawObjectDepth(models::drawerContext, glm::mat4(), lightVP);
drawObjectDepth(models::marbleBustContext, glm::mat4(), lightVP);
drawObjectDepth(models::materaceContext, glm::mat4(), lightVP);
drawObjectDepth(models::pencilsContext, glm::mat4(), lightVP);
drawObjectDepth(models::planeContext, glm::mat4(), lightVP);
drawObjectDepth(models::roomContext, glm::mat4(), lightVP);
drawObjectDepth(models::windowContext, glm::mat4(), lightVP);
glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
glm::vec3 spaceshipUp = glm::normalize(glm::cross(spaceshipSide, spaceshipDir));
glm::mat4 specshipCameraRotrationMatrix = glm::mat4({
spaceshipSide.x,spaceshipSide.y,spaceshipSide.z,0,
spaceshipUp.x,spaceshipUp.y,spaceshipUp.z ,0,
-spaceshipDir.x,-spaceshipDir.y,-spaceshipDir.z,0,
0.,0.,0.,1.,
});
drawObjectDepth(shipContext,
glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::scale(glm::vec3(0.03f)),
lightVP
);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glViewport(0, 0, WIDTH, HEIGHT);
}
void renderScene(GLFWwindow* window)
{
glClearColor(0.4f, 0.4f, 0.8f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
float time = glfwGetTime();
updateDeltaTime(time);
glCullFace(GL_FRONT);
renderShadowapSun();
glCullFace(GL_BACK); // don't forget to reset original culling face
//space lamp
glUseProgram(programSun);
glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
glm::mat4 transformation = viewProjectionMatrix * glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1));
glUniformMatrix4fv(glGetUniformLocation(programSun, "transformation"), 1, GL_FALSE, (float*)&transformation);
glUniform3f(glGetUniformLocation(programSun, "color"), sunColor.x / 2, sunColor.y / 2, sunColor.z / 2);
glUniform1f(glGetUniformLocation(programSun, "exposition"), exposition);
Core::DrawContext(sphereContext);
glUseProgram(program);
drawObjectPBR(sphereContext, glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1)) * glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::scale(glm::vec3(0.3f)), glm::vec3(0.2, 0.7, 0.3), 0.3, 0.0);
drawObjectPBR(sphereContext,
glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1)) * glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::eulerAngleY(time) * glm::translate(glm::vec3(1.f, 0, 0)) * glm::scale(glm::vec3(0.1f)),
glm::vec3(0.5, 0.5, 0.5), 0.7, 0.0);
drawObjectPBR(models::bedContext, glm::mat4(), glm::vec3(0.03f, 0.03f, 0.03f), 0.2f, 0.0f);
drawObjectPBR(models::chairContext, glm::mat4(), glm::vec3(0.195239f, 0.37728f, 0.8f), 0.4f, 0.0f);
drawObjectPBR(models::deskContext, glm::mat4(), glm::vec3(0.428691f, 0.08022f, 0.036889f), 0.2f, 0.0f);
drawObjectPBR(models::doorContext, glm::mat4(), glm::vec3(0.402978f, 0.120509f, 0.057729f), 0.2f, 0.0f);
drawObjectPBR(models::drawerContext, glm::mat4(), glm::vec3(0.428691f, 0.08022f, 0.036889f), 0.2f, 0.0f);
drawObjectPBR(models::marbleBustContext, glm::mat4(), glm::vec3(1.f, 1.f, 1.f), 0.5f, 1.0f);
drawObjectPBR(models::materaceContext, glm::mat4(), glm::vec3(0.9f, 0.9f, 0.9f), 0.8f, 0.0f);
drawObjectPBR(models::pencilsContext, glm::mat4(), glm::vec3(0.10039f, 0.018356f, 0.001935f), 0.1f, 0.0f);
drawObjectPBR(models::planeContext, glm::mat4(), glm::vec3(0.402978f, 0.120509f, 0.057729f), 0.2f, 0.0f);
drawObjectPBR(models::roomContext, glm::mat4(), glm::vec3(0.9f, 0.9f, 0.9f), 0.8f, 0.0f);
drawObjectPBR(models::windowContext, glm::mat4(), glm::vec3(0.402978f, 0.120509f, 0.057729f), 0.2f, 0.0f);
glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
glm::vec3 spaceshipUp = glm::normalize(glm::cross(spaceshipSide, spaceshipDir));
glm::mat4 specshipCameraRotrationMatrix = glm::mat4({
spaceshipSide.x,spaceshipSide.y,spaceshipSide.z,0,
spaceshipUp.x,spaceshipUp.y,spaceshipUp.z ,0,
-spaceshipDir.x,-spaceshipDir.y,-spaceshipDir.z,0,
0.,0.,0.,1.,
});
//drawObjectColor(shipContext,
// glm::translate(cameraPos + 1.5 * cameraDir + cameraUp * -0.5f) * inveseCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()),
// glm::vec3(0.3, 0.3, 0.5)
// );
drawObjectPBR(shipContext,
glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::scale(glm::vec3(0.03f)),
glm::vec3(0.3, 0.3, 0.5),
0.2,1.0
);
spotlightPos = spaceshipPos + 0.2 * spaceshipDir;
spotlightConeDir = spaceshipDir;
//test depth buffer
//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//glUseProgram(programTest);
//glActiveTexture(GL_TEXTURE0);
//glBindTexture(GL_TEXTURE_2D, depthMap);
//Core::DrawContext(models::testContext);
glUseProgram(0);
glfwSwapBuffers(window);
}
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
aspectRatio = width / float(height);
glViewport(0, 0, width, height);
WIDTH = width;
HEIGHT = height;
}
void loadModelToContext(std::string path, Core::RenderContext& context)
{
Assimp::Importer import;
const aiScene* scene = import.ReadFile(path, aiProcess_Triangulate | aiProcess_CalcTangentSpace);
if (!scene || scene->mFlags & AI_SCENE_FLAGS_INCOMPLETE || !scene->mRootNode)
{
std::cout << "ERROR::ASSIMP::" << import.GetErrorString() << std::endl;
return;
}
context.initFromAssimpMesh(scene->mMeshes[0]);
}
void initDepthMap() {
glGenFramebuffers(1, &depthMapFBO);
glGenTextures(1, &depthMap);
glBindTexture(GL_TEXTURE_2D, depthMap);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT,
SHADOW_WIDTH, SHADOW_HEIGHT, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glBindFramebuffer(GL_FRAMEBUFFER, depthMapFBO);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depthMap, 0);
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
void init(GLFWwindow* window)
{
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
glEnable(GL_DEPTH_TEST);
program = shaderLoader.CreateProgram("shaders/shader_9_1.vert", "shaders/shader_9_1.frag");
programTest = shaderLoader.CreateProgram("shaders/test.vert", "shaders/test.frag");
programSun = shaderLoader.CreateProgram("shaders/shader_8_sun.vert", "shaders/shader_8_sun.frag");
programDepth = shaderLoader.CreateProgram("shaders/shadow_shader.vert", "shaders/shadow_shader.frag");
loadModelToContext("./models/sphere.obj", sphereContext);
loadModelToContext("./models/spaceship.obj", shipContext);
loadModelToContext("./models/bed.obj", models::bedContext);
loadModelToContext("./models/chair.obj", models::chairContext);
loadModelToContext("./models/desk.obj", models::deskContext);
loadModelToContext("./models/door.obj", models::doorContext);
loadModelToContext("./models/drawer.obj", models::drawerContext);
loadModelToContext("./models/marbleBust.obj", models::marbleBustContext);
loadModelToContext("./models/materace.obj", models::materaceContext);
loadModelToContext("./models/pencils.obj", models::pencilsContext);
loadModelToContext("./models/plane.obj", models::planeContext);
loadModelToContext("./models/room.obj", models::roomContext);
loadModelToContext("./models/spaceship.obj", models::spaceshipContext);
loadModelToContext("./models/sphere.obj", models::sphereContext);
loadModelToContext("./models/window.obj", models::windowContext);
loadModelToContext("./models/test.obj", models::testContext);
initDepthMap();
}
void shutdown(GLFWwindow* window)
{
shaderLoader.DeleteProgram(program);
}
//obsluga wejscia
void processInput(GLFWwindow* window)
{
glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f,1.f,0.f)));
glm::vec3 spaceshipUp = glm::vec3(0.f, 1.f, 0.f);
float angleSpeed = 0.05f * deltaTime * 60;
float moveSpeed = 0.05f * deltaTime * 60;
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
glfwSetWindowShouldClose(window, true);
}
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
spaceshipPos += spaceshipDir * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
spaceshipPos -= spaceshipDir * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_X) == GLFW_PRESS)
spaceshipPos += spaceshipSide * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_Z) == GLFW_PRESS)
spaceshipPos -= spaceshipSide * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS)
spaceshipPos += spaceshipUp * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS)
spaceshipPos -= spaceshipUp * moveSpeed;
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
spaceshipDir = glm::vec3(glm::eulerAngleY(angleSpeed) * glm::vec4(spaceshipDir, 0));
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
spaceshipDir = glm::vec3(glm::eulerAngleY(-angleSpeed) * glm::vec4(spaceshipDir, 0));
cameraPos = spaceshipPos - 0.5 * spaceshipDir + glm::vec3(0, 1, 0) * 0.2f;
cameraDir = spaceshipDir;
if (glfwGetKey(window, GLFW_KEY_1) == GLFW_PRESS)
exposition -= 0.05;
if (glfwGetKey(window, GLFW_KEY_2) == GLFW_PRESS)
exposition += 0.05;
if (glfwGetKey(window, GLFW_KEY_3) == GLFW_PRESS) {
printf("spaceshipPos = glm::vec3(%ff, %ff, %ff);\n", spaceshipPos.x, spaceshipPos.y, spaceshipPos.z);
printf("spaceshipDir = glm::vec3(%ff, %ff, %ff);\n", spaceshipDir.x, spaceshipDir.y, spaceshipDir.z);
}
//cameraDir = glm::normalize(-cameraPos);
}
// funkcja jest glowna petla
void renderLoop(GLFWwindow* window) {
while (!glfwWindowShouldClose(window))
{
processInput(window);
renderScene(window);
glfwPollEvents();
}
}
//}