add sun and earth, basic textures and lighting

grk-project.vcxproj

@@ -11,6 +11,10 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
+    <None Include="shaders\shader_4_sun.frag" />
+    <None Include="shaders\shader_4_sun.vert" />
+    <None Include="shaders\shader_4_tex.frag" />
+    <None Include="shaders\shader_4_tex.vert" />
     <None Include="shaders\shader_color.frag" />
     <None Include="shaders\shader_color.vert" />
     <None Include="shaders\shader_tex.frag" />
@@ -40,7 +44,7 @@
     <ProjectGuid>{1B448102-E76C-4347-BDC7-40D02A567DB6}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>grk-cw9</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
     <ProjectName>grk-project</ProjectName>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
@@ -55,7 +59,7 @@
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">

grk-project.vcxproj.filters

@@ -30,6 +30,18 @@
     <None Include="shaders\shader_tex.vert">
       <Filter>Shader Files</Filter>
     </None>
+    <None Include="shaders\shader_4_tex.frag">
+      <Filter>Shader Files</Filter>
+    </None>
+    <None Include="shaders\shader_4_tex.vert">
+      <Filter>Shader Files</Filter>
+    </None>
+    <None Include="shaders\shader_4_sun.frag">
+      <Filter>Shader Files</Filter>
+    </None>
+    <None Include="shaders\shader_4_sun.vert">
+      <Filter>Shader Files</Filter>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="src\Box.cpp">

shaders/shader_4_sun.frag

@@ -4,14 +4,18 @@ uniform vec3 objectColor;
 //uniform vec3 lightDir;
 uniform vec3 lightPos;
 uniform vec3 cameraPos;
+uniform sampler2D colorTexture;
 
 in vec3 interpNormal;
 in vec3 fragPos;
+in vec2 vTexCoord;
 
 void main()
 {
 	vec3 normal = normalize(interpNormal);
 	vec3 V = normalize(cameraPos-fragPos);
-	float coef = max(0,dot(V,normal));
-	gl_FragColor = vec4(mix(objectColor,vec3(1,0.5,0.1),1-coef), 1.0);
+	float coef = pow(max(0,dot(normal,V)),3);
+	vec4 textureColor = texture2D(colorTexture, -vTexCoord);
+	vec3 texture = vec3(textureColor.x, textureColor.y, textureColor.z);
+	gl_FragColor = vec4(texture + texture * coef, 1.0);
 }

shaders/shader_4_sun.vert

@@ -8,10 +8,12 @@ uniform mat4 transformation;
 uniform mat4 modelMatrix;
 out vec3 interpNormal;
 out vec3 fragPos;
+out vec2 vTexCoord;
 
 void main()
 {
 	gl_Position = transformation * vec4(vertexPosition, 1.0);
 	interpNormal = (modelMatrix*vec4(vertexNormal,0)).xyz;
 	fragPos = (modelMatrix*vec4(vertexPosition,1)).xyz;
+	vTexCoord = vertexTexCoord;
 }

shaders/shader_4_tex.frag

@@ -4,9 +4,11 @@ uniform vec3 objectColor;
 //uniform vec3 lightDir;
 uniform vec3 lightPos;
 uniform vec3 cameraPos;
+uniform sampler2D colorTexture;
 
 in vec3 interpNormal;
 in vec3 fragPos;
+in vec2 vTexCoord;
 
 void main()
 {
@@ -17,5 +19,8 @@ void main()
 	
 	float specular = pow(max(0,dot(R,V)),10);
 	float diffuse = max(0,dot(normal,normalize(lightDir)));
-	gl_FragColor = vec4(mix(objectColor,objectColor*diffuse+vec3(1)*specular,0.9), 1.0);
+	vec4 textureColor = texture2D(colorTexture, -vTexCoord);
+	vec3 texture = vec3(textureColor.x, textureColor.y, textureColor.z);
+	vec4 ambient = vec4(0.1, 0.1, 0.1, 1.0) * textureColor;
+	gl_FragColor = vec4(mix(texture,texture*diffuse+vec3(1)*specular,0.9), 1.0) + ambient;
 }

shaders/shader_4_tex.vert

@@ -6,12 +6,15 @@ layout(location = 2) in vec3 vertexNormal;
 
 uniform mat4 transformation;
 uniform mat4 modelMatrix;
+
 out vec3 interpNormal;
 out vec3 fragPos;
+out vec2 vTexCoord;
 
 void main()
 {
 	gl_Position = transformation * vec4(vertexPosition, 1.0);
 	interpNormal = (modelMatrix*vec4(vertexNormal,0)).xyz;
 	fragPos = (modelMatrix*vec4(vertexPosition,1)).xyz;
+	vTexCoord = vertexTexCoord;
 }

src/Texture.cpp

@@ -1,9 +1,5 @@
 #include "Texture.h"
 
-#include <fstream>
-#include <iterator>
-#include <vector>
-#include "picopng.h"
 
 typedef unsigned char byte;
 
@@ -18,6 +14,12 @@ GLuint Core::LoadTexture( const char * filepath )
 	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
 
 	std::ifstream input( filepath, std::ios::binary );
+	if (!input.is_open())
+	{
+		std::cout << "Nie ma tekstury o takiej nazwie." << std::endl;
+		input.open("textures/a.jpg", std::ios::binary);
+
+	}
 	std::vector<char> buffer((
 		std::istreambuf_iterator<char>(input)), 
 		(std::istreambuf_iterator<char>()));
@@ -26,7 +28,6 @@ GLuint Core::LoadTexture( const char * filepath )
 	std::vector<unsigned char> decoded;
 	decodePNG(decoded, w, h, (unsigned char*)&buffer[0], buffer.size(), true);
 
-
 	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, &decoded[0]);
 	glGenerateMipmap(GL_TEXTURE_2D);
 

src/Texture.h

@@ -1,5 +1,10 @@
 #pragma once
+#include <iostream>
+#include <fstream>
+#include <iterator>
+#include <vector>
 
+#include "picopng.h"
 #include "glew.h"
 #include "freeglut.h"
 

src/main.cpp

@@ -9,7 +9,7 @@
 #include "Shader_Loader.h"
 #include "Render_Utils.h"
 #include "Camera.h"
-
+#include "Texture.h"
 
 #include "Box.cpp"
 
@@ -22,6 +22,7 @@
 #include "stb_image.h"
 
 GLuint program;
+GLuint programTex;
 GLuint programSun;
 Core::Shader_Loader shaderLoader;
 
@@ -30,6 +31,11 @@ Core::RenderContext armContext;
 std::vector<Core::Node> arm;
 int ballIndex;
 
+GLuint sunTexture;
+GLuint earthTexture;
+obj::Model sphereModel;
+Core::RenderContext sphereContext;
+
 
 float cameraAngle = 0;
 glm::vec3 cameraPos = glm::vec3(-6, 0, 0);
@@ -65,6 +71,8 @@ glm::mat4 createCameraMatrix()
 
 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;
@@ -74,6 +82,30 @@ void drawObject(GLuint program, Core::RenderContext context, glm::mat4 modelMatr
 	glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
 
 	Core::DrawContext(context);
+	glUseProgram(0);
+}
+
+void drawObjectTexture(GLuint program, Core::RenderContext context, glm::mat4 modelMatrix, glm::vec3 texture, GLuint texID)
+{
+	glUseProgram(program);
+	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::SetActiveTexture(texID, "colorTexture", program, 0);
+
+	Core::DrawContext(context);
+	glUseProgram(0);
+}
+
+glm::mat4 drawPlanet(float time, glm::vec3 orbit, glm::vec3 translation, glm::vec3 scale)
+{
+	glm::mat4 planetModelMatrix = glm::mat4(1.0f);
+	planetModelMatrix = glm::translate(planetModelMatrix, glm::vec3(2, 0, 2)); //pozycja s³oñca
+	planetModelMatrix = glm::rotate(planetModelMatrix, time, orbit);
+	planetModelMatrix = glm::translate(planetModelMatrix, translation);
+	planetModelMatrix = glm::scale(planetModelMatrix, scale);
+	return planetModelMatrix;
 }
 
 void renderScene()
@@ -86,16 +118,29 @@ void renderScene()
 	float time = glutGet(GLUT_ELAPSED_TIME) / 1000.f;
 
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-	glClearColor(0.0f, 0.3f, 0.3f, 1.0f);
+	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 
 	glUseProgram(program);
 
-	// Macierz statku "przyczpeia" go do kamery. Wrato przeanalizowac te linijke i zrozumiec jak to dziala.
-	glm::vec3 lightPos = glm::vec3(-4, 1, -4);
+	glm::vec3 lightPos = glm::vec3(2, 0, 2);
 	//glUniform3f(glGetUniformLocation(program, "light_dir"), 2, 1, 0);
 	glUniform3f(glGetUniformLocation(program, "lightPos"), lightPos.x, lightPos.y, lightPos.z);
 	glUniform3f(glGetUniformLocation(program, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
 	
+	glUseProgram(programSun);
+	glUniform3f(glGetUniformLocation(programSun, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
+
+	glm::mat4 sunModelMatrix = glm::mat4(1.0f);
+	sunModelMatrix = glm::translate(sunModelMatrix, glm::vec3(0, 0, 0));
+	sunModelMatrix = glm::rotate(sunModelMatrix, time/10.0f, glm::vec3(0.0f, 1.0f, 1.0f));
+	drawObjectTexture(programSun, sphereContext, sunModelMatrix, glm::vec3(0.8f, 0.5f, 0.1f), sunTexture);
+
+	glUseProgram(programTex);
+
+	glUniform3f(glGetUniformLocation(programTex, "lightPos"), lightPos.x, lightPos.y, lightPos.z);
+	glUniform3f(glGetUniformLocation(programTex, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
+	glm::mat4 earth = drawPlanet(time / 5.0f, glm::vec3(0.0f, 1.0f, 0.0f), glm::vec3(-3.5f, 0.0f, -3.5f), glm::vec3(0.5f, 0.5f, 0.5f));
+	drawObjectTexture(programTex, sphereContext, earth, glm::vec3(0.8f, 0.8f, 0.8f), earthTexture);
 
 	glUseProgram(0);
 	glutSwapBuffers();
@@ -105,8 +150,13 @@ void init()
 {
 	glEnable(GL_DEPTH_TEST);
 	program = shaderLoader.CreateProgram("shaders/shader_4_1.vert", "shaders/shader_4_1.frag");
+	programTex = shaderLoader.CreateProgram("shaders/shader_4_tex.vert", "shaders/shader_4_tex.frag");
 	programSun = shaderLoader.CreateProgram("shaders/shader_4_sun.vert", "shaders/shader_4_sun.frag");
 
+	sphereModel = obj::loadModelFromFile("models/sphere.obj");
+	sphereContext.initFromOBJ(sphereModel);
+	sunTexture = Core::LoadTexture("textures/sun.png");
+	earthTexture = Core::LoadTexture("textures/earth2.png");
 }
 
 void shutdown()
@@ -125,7 +175,7 @@ int main(int argc, char** argv)
 	glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA);
 	glutInitWindowPosition(200, 300);
 	glutInitWindowSize(600, 600);
-	glutCreateWindow("OpenGL Pierwszy Program");
+	glutCreateWindow("GRK-PROJECT WIP");
 	glewInit();
 
 	init();