skybox and partially normal mapping

cw 7/shaders/shader_5_1.frag

@@ -0,0 +1,70 @@
+#version 430 core
+
+uniform vec3 color;
+uniform vec3 sunPos;
+uniform vec3 sunColor;
+uniform float sunLightExp;
+
+uniform vec3 cameraPos;
+uniform float time;
+
+uniform vec3 reflectorPos;
+uniform vec3 reflectorDir;
+uniform vec3 reflectorColor;
+uniform float reflectorAngle;
+uniform float reflectorLightExp;
+
+vec3 normalizedVertexNormal;
+
+in vec3 vertexNormalOut;
+in vec3 vertexPosOut;
+out vec4 outColor;
+
+vec4 calcPointLight(vec3 fragColor, vec3 lightPos, vec3 lightColor, float lightExp) {
+	vec3 lightDir = normalize(vertexPosOut - lightPos);
+	float lightDistance = length(vertexPosOut - lightPos);
+	vec3 newLightColor = lightColor / pow(lightDistance, 2);
+
+	float intensity = dot(normalizedVertexNormal, -lightDir);
+	intensity  = max(intensity, 0.0);
+	
+	vec3 viewDir = normalize(cameraPos - vertexPosOut);
+	vec3 reflectDir = reflect(lightDir, normalizedVertexNormal);
+	
+	float glossPow = 8;
+	float specular = pow(max(dot(viewDir, reflectDir), 0.0), glossPow);
+
+	float diffuse = intensity;
+	vec3 resultColor = newLightColor * (fragColor * diffuse + specular );
+	return vec4(1 - exp(-resultColor  * lightExp), 1.0);
+}
+
+vec4 calcSpotLight(vec3 fragColor, vec3 lightPos, vec3 lightColor, vec3 lightDir, float lightExp) {
+	vec3 reflectorLightDir = normalize(vertexPosOut - reflectorPos);
+	float angleCos = dot(reflectorLightDir, reflectorDir);
+	float reflectorOutAngle = reflectorAngle + radians(10);
+	float epsilon = cos(reflectorAngle) - cos(reflectorOutAngle);
+	vec4 res = vec4(0, 0, 0, 1);
+	if (angleCos > cos(reflectorOutAngle)) {
+		float intensity = clamp((angleCos - cos(reflectorOutAngle)) / epsilon, 0.0, 1.0);  
+		res = calcPointLight(fragColor, reflectorPos, reflectorColor, reflectorLightExp  * intensity);
+	}
+	return res;
+}
+
+
+void main()
+{
+	normalizedVertexNormal = normalize(vertexNormalOut);
+
+	outColor = calcPointLight(color, sunPos, sunColor, sunLightExp);
+
+	vec3 reflectorLightDir = normalize(vertexPosOut - reflectorPos);
+	float angleCos = dot(reflectorLightDir, reflectorDir);
+	float reflectorOutAngle = reflectorAngle + radians(10);
+	float epsilon = cos(reflectorAngle) - cos(reflectorOutAngle);
+	if (angleCos > cos(reflectorOutAngle)) {
+		float intensity = clamp((angleCos - cos(reflectorOutAngle)) / epsilon, 0.0, 1.0);  
+		outColor += calcSpotLight(color, reflectorPos, reflectorColor, reflectorLightDir, reflectorLightExp  * intensity);
+	}
+}

cw 7/shaders/shader_5_1.vert

@@ -0,0 +1,19 @@
+#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 modelMat;
+
+out vec3 vertexNormalOut;
+out vec3 vertexPosOut;
+
+void main()
+{
+	gl_Position = transformation * vec4(vertexPosition, 1.0);
+	vec4 worldNormal = modelMat * vec4(vertexNormal, 0.0);
+	vertexNormalOut = worldNormal.xyz;
+	vertexPosOut = (modelMat * vec4(vertexPosition, 1.0)).xyz;
+}

cw 7/shaders/shader_5_1_tex.frag

@@ -0,0 +1,95 @@
+#version 430 core
+
+uniform sampler2D colorTexture;
+uniform sampler2D normalSampler;
+
+uniform vec3 sunPos;
+uniform vec3 sunColor;
+uniform float sunLightExp;
+
+uniform vec3 cameraPos;
+uniform float time;
+
+uniform vec3 reflectorPos;
+uniform vec3 reflectorDir;
+uniform vec3 reflectorColor;
+uniform float reflectorAngle;
+uniform float reflectorLightExp;
+
+vec3 normalizedVertexNormal;
+mat3 TBN;
+
+in vec3 vertexNormalOut;
+in vec3 vertexTangentOut;
+in vec3 vertexBitangentOut;
+in vec3 vertexPosOut;
+in vec2 vertexTexCoordOut;
+
+out vec4 outColor;
+
+vec4 calcPointLight(vec3 fragColor, vec3 lightPos, vec3 lightColor, float lightExp) {
+	vec3 lightDir = normalize(vertexPosOut - lightPos);
+	vec3 viewDir = normalize(cameraPos - vertexPosOut);
+	
+	// tangent space
+	vec3 viewDirTS = TBN * viewDir;
+	vec3 lightDirTS = TBN * lightDir;
+
+	//tmp solution
+	viewDir = normalize(viewDirTS);
+	lightDir = normalize(lightDirTS);
+	
+	float lightDistance = length(vertexPosOut - lightPos);
+	vec3 newLightColor = lightColor / pow(lightDistance, 2);
+
+	float intensity = dot(normalizedVertexNormal, -lightDir);
+	intensity  = max(intensity, 0.0);
+	
+	vec3 reflectDir = reflect(lightDir, normalizedVertexNormal);
+
+	
+	float glossPow = 8;
+	float specular = pow(max(dot(viewDir, reflectDir), 0.0), glossPow);
+
+	float diffuse = intensity;
+	vec3 resultColor = newLightColor * (fragColor * diffuse + specular );
+	return vec4(1 - exp(-resultColor  * lightExp), 1.0);
+}
+
+vec4 calcSpotLight(vec3 fragColor, vec3 lightPos, vec3 lightColor, float lightExp) {
+	vec3 reflectorLightDir = normalize(vertexPosOut - lightPos);
+	float angleCos = dot(reflectorLightDir, reflectorDir);
+	float reflectorOutAngle = reflectorAngle + radians(10);
+	float epsilon = cos(reflectorAngle) - cos(reflectorOutAngle);
+	vec4 res = vec4(0, 0, 0, 1);
+	if (angleCos > cos(reflectorOutAngle)) {
+		float intensity = clamp((angleCos - cos(reflectorOutAngle)) / epsilon, 0.0, 1.0);  
+		res = calcPointLight(fragColor, lightPos, lightColor, lightExp  * intensity);
+	}
+	return res;
+}
+
+
+void main()
+{
+	TBN = transpose(mat3(vertexTangentOut, vertexBitangentOut, vertexNormalOut));
+
+	vec3 textureColor = texture2D(colorTexture, vertexTexCoordOut).rgb;
+	
+	normalizedVertexNormal = normalize(vertexNormalOut);
+	//get normal from normal sampler
+	vec3 samplerNormal = texture2D(normalSampler, vertexTexCoordOut).xyz;
+	samplerNormal = 2 * samplerNormal - 1;//since sampler has values from [0, 1], but we want [-1, 1]
+	normalizedVertexNormal = normalized(samplerNormal);// to avoid potential precision problems in sampler texture
+
+	//tmp solution
+	//normalizedVertexNormal = vec3(0, 0, 1);
+
+	outColor = calcPointLight(textureColor, sunPos, sunColor, sunLightExp);
+
+	outColor += calcSpotLight(textureColor, reflectorPos, reflectorColor, reflectorLightExp);
+	
+	//Debug
+	//outColor = vec4(textureColor, 1);
+}
+

cw 7/shaders/shader_5_1_tex.vert

@@ -0,0 +1,27 @@
+#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 modelMat;
+
+out vec3 vertexNormalOut;
+out vec3 vertexTangentOut;
+out vec3 vertexBitangentOut;
+out vec3 vertexPosOut;
+out vec2 vertexTexCoordOut;
+
+void main()
+{
+	gl_Position = transformation * vec4(vertexPosition, 1.0);
+	vertexNormalOut = (modelMat * vec4(vertexNormal, 0.0)).xyz;
+	vertexTangentOut = (modelMat * vec4(vertexTangent, 0.0)).xyz;
+	vertexBitangentOut = (modelMat * vec4(vertexBitangent, 0.0)).xyz;
+	vertexPosOut = (modelMat * vec4(vertexPosition, 1.0)).xyz;
+	vertexTexCoordOut = vertexTexCoord;
+}
+

cw 7/shaders/shader_5_sun.frag

@@ -0,0 +1,21 @@
+#version 430 core
+
+uniform vec3 color;
+uniform vec3 lightPos;
+uniform vec3 lightColor;
+uniform vec3 cameraPos;
+
+in vec3 interpNormal;
+in vec3 vertexNormalOut;
+in vec3 vertexPosOut;
+out vec4 outColor;
+
+void main()
+{
+	vec3 normalizedVertexNormal = normalize(vertexNormalOut);
+	vec3 viewDir = normalize(cameraPos - vertexPosOut);
+	float angle = dot(viewDir, normalizedVertexNormal);
+
+	vec3 red = vec3(1, 0, 0);
+	outColor = vec4(mix(red, color, angle), 1.0);
+}

cw 7/shaders/shader_5_sun.vert

@@ -0,0 +1,19 @@
+#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 modelMat;
+
+out vec3 vertexNormalOut;
+out vec3 vertexPosOut;
+
+void main()
+{
+	gl_Position = transformation * vec4(vertexPosition, 1.0);
+	vec4 worldNormal = modelMat * vec4(vertexNormal, 0.0);
+	vertexNormalOut = worldNormal.xyz;
+	vertexPosOut = (modelMat * vec4(vertexPosition, 1.0)).xyz;
+}

cw 7/shaders/shader_earth.frag

@@ -0,0 +1,74 @@
+#version 430 core
+
+uniform sampler2D colorTexture;
+uniform sampler2D clouds;
+
+uniform vec3 sunPos;
+uniform vec3 sunColor;
+uniform float sunLightExp;
+
+uniform vec3 cameraPos;
+uniform float time;
+
+uniform vec3 reflectorPos;
+uniform vec3 reflectorDir;
+uniform vec3 reflectorColor;
+uniform float reflectorAngle;
+uniform float reflectorLightExp;
+
+vec3 normalizedVertexNormal;
+
+in vec3 vertexNormalOut;
+in vec3 vertexPosOut;
+in vec2 vertexTexCoordOut;
+
+out vec4 outColor;
+
+vec4 calcPointLight(vec3 fragColor, vec3 lightPos, vec3 lightColor, float lightExp) {
+	vec3 lightDir = normalize(vertexPosOut - lightPos);
+	float lightDistance = length(vertexPosOut - lightPos);
+	vec3 newLightColor = lightColor / pow(lightDistance, 2);
+
+	float intensity = dot(normalizedVertexNormal, -lightDir);
+	intensity  = max(intensity, 0.0);
+	
+	vec3 viewDir = normalize(cameraPos - vertexPosOut);
+	vec3 reflectDir = reflect(lightDir, normalizedVertexNormal);
+	
+	float glossPow = 8;
+	float specular = pow(max(dot(viewDir, reflectDir), 0.0), glossPow);
+
+	float diffuse = intensity;
+	vec3 resultColor = newLightColor * (fragColor * diffuse + specular );
+	return vec4(1 - exp(-resultColor  * lightExp), 1.0);
+}
+
+vec4 calcSpotLight(vec3 fragColor, vec3 lightPos, vec3 lightColor, vec3 lightDir,
+				   float innerCutOff, float outerCutOff, float lightExp) {
+	vec3 lightToFragDir = normalize(vertexPosOut - lightPos);
+	float angleCos = dot(lightToFragDir, lightDir);
+	float epsilon = cos(innerCutOff) - cos(outerCutOff);
+	vec4 res = vec4(0, 0, 0, 1);
+	if (angleCos > cos(outerCutOff)) {
+		float intensity = clamp((angleCos - cos(outerCutOff)) / epsilon, 0.0, 1.0);  
+		res = calcPointLight(fragColor, lightPos, lightColor, reflectorLightExp  * intensity);
+	}
+	return res;
+}
+
+
+void main()
+{
+	vec3 textureColor = texture2D(colorTexture, vertexTexCoordOut).rgb;
+	vec3 cloudColor = texture2D(clouds, vertexTexCoordOut).rgb;
+
+	textureColor = mix(vec3(1), textureColor, cloudColor.r);
+	
+	normalizedVertexNormal = normalize(vertexNormalOut);
+
+	outColor = calcPointLight(textureColor, sunPos, sunColor, sunLightExp);
+
+	outColor += calcSpotLight(textureColor, reflectorPos, reflectorColor, reflectorDir, 
+							  reflectorAngle, reflectorAngle + radians(10), reflectorLightExp);
+	
+}

cw 7/shaders/shader_earth.vert

@@ -0,0 +1,22 @@
+#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 modelMat;
+
+out vec3 vertexNormalOut;
+out vec3 vertexPosOut;
+out vec2 vertexTexCoordOut;
+
+void main()
+{
+	gl_Position = transformation * vec4(vertexPosition, 1.0);
+	vec4 worldNormal = modelMat * vec4(vertexNormal, 0.0);
+	vertexNormalOut = worldNormal.xyz;
+	vertexPosOut = (modelMat * vec4(vertexPosition, 1.0)).xyz;
+	vertexTexCoordOut = vertexTexCoord;
+	vertexTexCoordOut.y = 1 - vertexTexCoord.y;// corrects inversion (bottom at top) of the earth
+}

cw 7/shaders/shader_proc_tex.frag

@@ -0,0 +1,86 @@
+#version 430 core
+
+uniform sampler2D colorTexture;
+uniform sampler2D rust;
+uniform sampler2D scratches;
+
+uniform vec3 sunPos;
+uniform vec3 sunColor;
+uniform float sunLightExp;
+
+uniform vec3 cameraPos;
+uniform float time;
+
+uniform vec3 reflectorPos;
+uniform vec3 reflectorDir;
+uniform vec3 reflectorColor;
+uniform float reflectorAngle;
+uniform float reflectorLightExp;
+
+vec3 normalizedVertexNormal;
+
+in vec3 vertexNormalOut;
+in vec3 vertexPosOut;
+in vec2 vertexTexCoordOut;
+in vec3 vertexLocPos;
+
+out vec4 outColor;
+
+vec4 calcPointLight(vec3 fragColor, vec3 lightPos, vec3 lightColor, float lightExp) {
+	vec3 lightDir = normalize(vertexPosOut - lightPos);
+	float lightDistance = length(vertexPosOut - lightPos);
+	vec3 newLightColor = lightColor / pow(lightDistance, 2);
+
+	float intensity = dot(normalizedVertexNormal, -lightDir);
+	intensity  = max(intensity, 0.0);
+	
+	vec3 viewDir = normalize(cameraPos - vertexPosOut);
+	vec3 reflectDir = reflect(lightDir, normalizedVertexNormal);
+	
+	float glossPow = 8;
+	float specular = pow(max(dot(viewDir, reflectDir), 0.0), glossPow);
+
+	float diffuse = intensity;
+	vec3 resultColor = newLightColor * (fragColor * diffuse + specular );
+	return vec4(1 - exp(-resultColor  * lightExp), 1.0);
+}
+
+vec4 calcSpotLight(vec3 fragColor, vec3 lightPos, vec3 lightColor, vec3 lightDir, float lightExp) {
+	vec3 reflectorLightDir = normalize(vertexPosOut - reflectorPos);
+	float angleCos = dot(reflectorLightDir, reflectorDir);
+	float reflectorOutAngle = reflectorAngle + radians(10);
+	float epsilon = cos(reflectorAngle) - cos(reflectorOutAngle);
+	vec4 res = vec4(0, 0, 0, 1);
+	if (angleCos > cos(reflectorOutAngle)) {
+		float intensity = clamp((angleCos - cos(reflectorOutAngle)) / epsilon, 0.0, 1.0);  
+		res = calcPointLight(fragColor, reflectorPos, reflectorColor, reflectorLightExp  * intensity);
+	}
+	return res;
+}
+
+
+void main()
+{
+	vec3 shipColor = texture2D(colorTexture, vertexTexCoordOut).rgb;
+	vec3 rustColor = texture2D(rust, vertexTexCoordOut).rgb;
+	vec3 scratchesColor = texture2D(scratches, vertexTexCoordOut).rgb;
+	vec3 textureColor = mix(rustColor, shipColor, scratchesColor .r);
+
+	if (sin(vertexLocPos.y * vertexLocPos.x * vertexLocPos.z) > 0) {
+		textureColor = vec3(1, 0, 0);
+	}
+	
+	normalizedVertexNormal = normalize(vertexNormalOut);
+
+	outColor = calcPointLight(textureColor, sunPos, sunColor, sunLightExp);
+
+	vec3 reflectorLightDir = normalize(vertexPosOut - reflectorPos);
+	float angleCos = dot(reflectorLightDir, reflectorDir);
+	float reflectorOutAngle = reflectorAngle + radians(10);
+	float epsilon = cos(reflectorAngle) - cos(reflectorOutAngle);
+	if (angleCos > cos(reflectorOutAngle)) {
+		float intensity = clamp((angleCos - cos(reflectorOutAngle)) / epsilon, 0.0, 1.0);  
+		outColor += calcSpotLight(textureColor, reflectorPos, reflectorColor, reflectorLightDir, reflectorLightExp  * intensity);
+	}
+}
+

cw 7/shaders/shader_proc_tex.vert

@@ -0,0 +1,23 @@
+#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 modelMat;
+
+out vec3 vertexNormalOut;
+out vec3 vertexPosOut;
+out vec2 vertexTexCoordOut;
+out vec3 vertexLocPos;
+
+void main()
+{
+	gl_Position = transformation * vec4(vertexPosition, 1.0);
+	vec4 worldNormal = modelMat * vec4(vertexNormal, 0.0);
+	vertexNormalOut = worldNormal.xyz;
+	vertexPosOut = (modelMat * vec4(vertexPosition, 1.0)).xyz;
+	vertexTexCoordOut = vertexTexCoord;
+	vertexLocPos = vertexPosition;
+}

cw 7/shaders/shader_skybox.frag

@@ -0,0 +1,13 @@
+#version 430 core
+
+uniform samplerCube skybox;
+
+in vec3 texCoord;
+
+out vec4 out_color;
+
+void main()
+{
+	out_color = texture(skybox, texCoord);
+	//out_color = vec4(1, 0, 0, 1);
+}

cw 7/shaders/shader_skybox.vert

@@ -0,0 +1,13 @@
+#version 430 core
+
+layout(location = 0) in vec3 vertexPosition;
+
+uniform mat4 transformation;
+
+out vec3 texCoord;
+
+void main()
+{
+	texCoord = vertexPosition;
+	gl_Position = transformation * vec4(vertexPosition, 1.0);
+}

cw 7/src/ex_7_1.hpp

@@ -0,0 +1,432 @@
+#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>
+#include "SOIL/SOIL.h"
+
+namespace texture {
+	GLuint earth;
+	GLuint clouds;
+	GLuint moon;
+	GLuint ship;
+	GLuint scratches;
+	GLuint rust;
+
+	GLuint grid;
+
+	GLuint earthNormal;
+	GLuint asteroidNormal;
+	GLuint shipNormal;
+
+	GLuint cubemap;
+}
+
+
+GLuint program;
+GLuint programSun;
+GLuint programTex;
+GLuint programEarth;
+GLuint programProcTex;
+GLuint programSkyBox;
+Core::Shader_Loader shaderLoader;
+
+Core::RenderContext shipContext;
+Core::RenderContext sphereContext;
+Core::RenderContext cubeContext;
+
+glm::vec3 cameraPos = glm::vec3(-4.f, 0, 0);
+glm::vec3 cameraDir = glm::vec3(1.f, 0.f, 0.f);
+glm::vec3 lightDir = glm::normalize(glm::vec3(1.f, 1.f, 1.f));
+
+glm::vec3 sunLightColor = glm::vec3(1.f, 1.f, 1.f);
+float sunLightExp = 100;
+
+glm::vec3 reflectorColor = glm::vec3(0.3f, 0.f, 0.f);
+float reflectorAngle = glm::radians(25.f);
+float reflectorLightExp = 5;
+
+glm::vec3 spaceshipPos = glm::vec3(-4.f, 0, 0);
+glm::vec3 spaceshipDir = glm::vec3(1.f, 0.f, 0.f);
+GLuint VAO, VBO;
+
+float aspectRatio = 1.f;
+
+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({
+		a2,0.,0.,0.,
+		0.,a1,0.,0.,
+		0.,0.,(f + n) / (n - f),2 * f * n / (n - f),
+		0.,0.,-1.,0.,
+		});
+
+
+	perspectiveMatrix = glm::transpose(perspectiveMatrix);
+
+	return perspectiveMatrix;
+}
+
+void drawObjectColor(GLuint program, Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color) {
+	glUseProgram(program);
+	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
+	glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
+	glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
+	glUniformMatrix4fv(glGetUniformLocation(program, "modelMat"), 1, GL_FALSE, (float*)&modelMatrix);
+	glUniform3f(glGetUniformLocation(program, "color"), color.x, color.y, color.z);
+	//sun
+	//glUniform3f(glGetUniformLocation(program, "lightDir"), lightDir.x, lightDir.y, lightDir.z);
+	glUniform3f(glGetUniformLocation(program, "sunPos"), 0.f, 0.f, 0.f);
+	glUniform3f(glGetUniformLocation(program, "sunColor"), sunLightColor.x, sunLightColor.y, sunLightColor.z);
+	glUniform1f(glGetUniformLocation(program, "sunLightExp"), sunLightExp);
+	//spaceship reflector
+	glm::vec3 reflectorPos = spaceshipPos + 0.037f * spaceshipDir;
+	glUniform3f(glGetUniformLocation(program, "reflectorPos"), reflectorPos.x, reflectorPos.y, reflectorPos.z);
+	glUniform3f(glGetUniformLocation(program, "reflectorDir"), spaceshipDir.x, spaceshipDir.y, spaceshipDir.z);
+	glUniform1f(glGetUniformLocation(program, "reflectorAngle"), reflectorAngle);
+	glUniform3f(glGetUniformLocation(program, "reflectorColor"),
+		reflectorColor.x, reflectorColor.y, reflectorColor.z);
+	glUniform1f(glGetUniformLocation(program, "reflectorLightExp"), reflectorLightExp);
+
+	glUniform3f(glGetUniformLocation(program, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
+	//TEST
+	glUniform1f(glGetUniformLocation(program, "time"), lastTime);
+
+	Core::DrawContext(context);
+	glUseProgram(0);
+
+}
+
+void drawObjectProc(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color) {
+	program = programProcTex;
+
+	glUseProgram(program);
+	Core::SetActiveTexture(texture::ship, "colorTexture", program, 0);
+	Core::SetActiveTexture(texture::rust, "rust", program, 1);
+	Core::SetActiveTexture(texture::scratches, "scratches", program, 2);
+	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
+	glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
+	glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
+	glUniformMatrix4fv(glGetUniformLocation(program, "modelMat"), 1, GL_FALSE, (float*)&modelMatrix);
+	//sun
+	glUniform3f(glGetUniformLocation(program, "sunPos"), 0.f, 0.f, 0.f);
+	glUniform3f(glGetUniformLocation(program, "sunColor"), sunLightColor.x, sunLightColor.y, sunLightColor.z);
+	glUniform1f(glGetUniformLocation(program, "sunLightExp"), sunLightExp);
+	//spaceship reflector
+	glm::vec3 reflectorPos = spaceshipPos + 0.037f * spaceshipDir;
+	glUniform3f(glGetUniformLocation(program, "reflectorPos"), reflectorPos.x, reflectorPos.y, reflectorPos.z);
+	glUniform3f(glGetUniformLocation(program, "reflectorDir"), spaceshipDir.x, spaceshipDir.y, spaceshipDir.z);
+	glUniform1f(glGetUniformLocation(program, "reflectorAngle"), reflectorAngle);
+	glUniform3f(glGetUniformLocation(program, "reflectorColor"),
+		reflectorColor.x, reflectorColor.y, reflectorColor.z);
+	glUniform1f(glGetUniformLocation(program, "reflectorLightExp"), reflectorLightExp);
+
+	glUniform3f(glGetUniformLocation(program, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
+
+	Core::DrawContext(context);
+	glUseProgram(0);
+
+}
+
+void drawObjectTexture(GLuint program, Core::RenderContext& context, glm::mat4 modelMatrix, GLuint textureId) {
+	glUseProgram(program);
+	Core::SetActiveTexture(textureId, "colorTexture", program, 0);
+	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
+	glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
+	glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
+	glUniformMatrix4fv(glGetUniformLocation(program, "modelMat"), 1, GL_FALSE, (float*)&modelMatrix);
+	//sun
+	glUniform3f(glGetUniformLocation(program, "sunPos"), 0.f, 0.f, 0.f);
+	glUniform3f(glGetUniformLocation(program, "sunColor"), sunLightColor.x, sunLightColor.y, sunLightColor.z);
+	glUniform1f(glGetUniformLocation(program, "sunLightExp"), sunLightExp);
+	//spaceship reflector
+	glm::vec3 reflectorPos = spaceshipPos + 0.037f * spaceshipDir;
+	glUniform3f(glGetUniformLocation(program, "reflectorPos"), reflectorPos.x, reflectorPos.y, reflectorPos.z);
+	glUniform3f(glGetUniformLocation(program, "reflectorDir"), spaceshipDir.x, spaceshipDir.y, spaceshipDir.z);
+	glUniform1f(glGetUniformLocation(program, "reflectorAngle"), reflectorAngle);
+	glUniform3f(glGetUniformLocation(program, "reflectorColor"),
+		reflectorColor.x, reflectorColor.y, reflectorColor.z);
+	glUniform1f(glGetUniformLocation(program, "reflectorLightExp"), reflectorLightExp);
+
+	glUniform3f(glGetUniformLocation(program, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
+
+	Core::DrawContext(context);
+	glUseProgram(0);
+
+}
+
+void drawEarth(Core::RenderContext& context, glm::mat4 modelMatrix) {
+	GLuint program = programEarth;
+	glUseProgram(program);
+	Core::SetActiveTexture(texture::earth, "colorTexture", program, 0);
+	Core::SetActiveTexture(texture::clouds, "clouds", program, 1);
+	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
+	glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
+	glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
+	glUniformMatrix4fv(glGetUniformLocation(program, "modelMat"), 1, GL_FALSE, (float*)&modelMatrix);
+	//sun
+	glUniform3f(glGetUniformLocation(program, "sunPos"), 0.f, 0.f, 0.f);
+	glUniform3f(glGetUniformLocation(program, "sunColor"), sunLightColor.x, sunLightColor.y, sunLightColor.z);
+	glUniform1f(glGetUniformLocation(program, "sunLightExp"), sunLightExp);
+	//spaceship reflector
+	glm::vec3 reflectorPos = spaceshipPos + 0.037f * spaceshipDir;
+	glUniform3f(glGetUniformLocation(program, "reflectorPos"), reflectorPos.x, reflectorPos.y, reflectorPos.z);
+	glUniform3f(glGetUniformLocation(program, "reflectorDir"), spaceshipDir.x, spaceshipDir.y, spaceshipDir.z);
+	glUniform1f(glGetUniformLocation(program, "reflectorAngle"), reflectorAngle);
+	glUniform3f(glGetUniformLocation(program, "reflectorColor"),
+		reflectorColor.x, reflectorColor.y, reflectorColor.z);
+	glUniform1f(glGetUniformLocation(program, "reflectorLightExp"), reflectorLightExp);
+
+	glUniform3f(glGetUniformLocation(program, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
+
+	Core::DrawContext(context);
+	glUseProgram(0);
+
+}
+
+void drawSkybox() {
+	GLuint program = programSkyBox;
+
+	glUseProgram(program);
+
+	glm::mat4 modelMatrix = glm::translate(cameraPos);
+	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
+	glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
+	glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
+	glBindTexture(GL_TEXTURE_CUBE_MAP, texture::cubemap);
+	Core::DrawContext(cubeContext);
+
+	glUseProgram(0);
+}
+
+void renderScene(GLFWwindow* window)
+{
+	glClearColor(0.0f, 0.3f, 0.3f, 1.0f);
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	glm::mat4 transformation;
+	float time = glfwGetTime();
+	updateDeltaTime(time);
+
+	glDisable(GL_DEPTH_TEST);
+	drawSkybox();
+	glEnable(GL_DEPTH_TEST);
+
+	time = 2;
+
+	//sun
+	drawObjectColor(programSun, sphereContext, glm::mat4(), glm::vec3(1.0, 1.0, 0.3));
+
+	drawEarth(sphereContext,
+		glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.3f)));
+
+	drawObjectTexture(programTex, sphereContext,
+		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)),
+		texture::grid);
+
+	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 spaceshipCameraRotrationMatrix = 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.,
+		});
+
+
+	drawObjectProc(shipContext,
+		glm::translate(spaceshipPos) * spaceshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::scale(glm::vec3(0.2f)),
+		glm::vec3(0., 0., 1.)
+	);
+
+	glfwSwapBuffers(window);
+}
+
+void framebuffer_size_callback(GLFWwindow* window, int width, int height)
+{
+	aspectRatio = width / float(height);
+	glViewport(0, 0, width, 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 init_cubemap() {
+	glGenTextures(1, &texture::cubemap);
+	glBindTexture(GL_TEXTURE_CUBE_MAP, texture::cubemap);
+
+	int w, h;
+	unsigned char* data;
+	std::vector<const char*> cubeSideTestureFiles = {
+		"./textures/skybox/space_rt.png",
+		"./textures/skybox/space_lt.png",
+		"./textures/skybox/space_up.png",
+		"./textures/skybox/space_dn.png",
+		"./textures/skybox/space_bk.png",
+		"./textures/skybox/space_ft.png",
+	};
+	for (unsigned int i = 0; i < 6; i++)
+	{
+		unsigned char* image = SOIL_load_image(cubeSideTestureFiles[i], &w, &h, 0, SOIL_LOAD_RGBA);
+		glTexImage2D(
+			GL_TEXTURE_CUBE_MAP_POSITIVE_X + i,
+			0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image
+		);
+	}
+
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
+}
+
+void init(GLFWwindow* window)
+{
+	glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
+
+	glEnable(GL_DEPTH_TEST);
+	program = shaderLoader.CreateProgram("shaders/shader_5_1.vert", "shaders/shader_5_1.frag");
+	programSun = shaderLoader.CreateProgram("shaders/shader_5_sun.vert", "shaders/shader_5_sun.frag");
+	programTex = shaderLoader.CreateProgram("shaders/shader_5_1_tex.vert", "shaders/shader_5_1_tex.frag");
+	programEarth = shaderLoader.CreateProgram("shaders/shader_earth.vert", "shaders/shader_earth.frag");
+	programProcTex = shaderLoader.CreateProgram("shaders/shader_proc_tex.vert", "shaders/shader_proc_tex.frag");
+	programSkyBox = shaderLoader.CreateProgram("shaders/shader_skybox.vert", "shaders/shader_skybox.frag");
+
+	loadModelToContext("./models/sphere.obj", sphereContext);
+	loadModelToContext("./models/spaceship.obj", shipContext);
+	loadModelToContext("./models/cube.obj", cubeContext);
+
+	texture::earth = Core::LoadTexture("./textures/earth.png");
+	texture::clouds = Core::LoadTexture("./textures/clouds.jpg");
+	//moon.png doesn't load correctly
+	texture::moon = Core::LoadTexture("./textures/moon.png");
+	texture::ship = Core::LoadTexture("./textures/spaceship.jpg");
+	texture::scratches = Core::LoadTexture("./textures/scratches.jpg");
+	texture::rust = Core::LoadTexture("./textures/rust.jpg");
+
+	texture::grid = Core::LoadTexture("./textures/grid_color.png");
+
+	texture::earthNormal = Core::LoadTexture("./textures/earth_normalmap.png");
+	texture::asteroidNormal = Core::LoadTexture("./textures/rust_normal.jpg");
+	texture::shipNormal = Core::LoadTexture("./textures/spaceship_normalmap.jpg");
+
+	init_cubemap();
+}
+
+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_LEFT_SHIFT) == GLFW_PRESS) {
+		angleSpeed *= 3;
+		moveSpeed *= 3;
+	}
+	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 - 0.3f * spaceshipDir + glm::vec3(0, 1, 0) * 0.1f;
+	cameraDir = spaceshipDir;
+
+	//cameraDir = glm::normalize(-cameraPos);
+	if (glfwGetKey(window, GLFW_KEY_1) == GLFW_PRESS)
+		sunLightExp = glm::max(0.f, sunLightExp - 0.1f);
+	if (glfwGetKey(window, GLFW_KEY_2) == GLFW_PRESS)
+		sunLightExp += 0.1f;
+
+	if (glfwGetKey(window, GLFW_KEY_3) == GLFW_PRESS)
+		reflectorLightExp = glm::max(0.f, reflectorLightExp - 0.05f);
+	if (glfwGetKey(window, GLFW_KEY_4) == GLFW_PRESS)
+		reflectorLightExp += 0.05f;
+}
+
+// funkcja jest glowna petla
+void renderLoop(GLFWwindow* window) {
+	while (!glfwWindowShouldClose(window))
+	{
+		processInput(window);
+
+		renderScene(window);
+		glfwPollEvents();
+	}
+}
+//}