końcowa wersja chmur wraz z parametrami do zmiany

grk/cw 6/shaders/shader_pbr.frag

@@ -20,13 +20,13 @@ uniform float roughness; //pbr
 uniform float exposition; //pbr
 
 uniform float u_time;
+uniform float cloudLight;
+uniform float cloudIntensity; 
+uniform float cloudSpeed; 
 
 in vec3 vecNormal;
 in vec3 worldPos;
-in vec3 vecNormalClouds;
-in vec3 worldPosClouds;
 in vec2 vtc;
-in vec2 vtcNoise;
 
 out vec4 outColor;
 
@@ -149,29 +149,22 @@ float fbm (in vec2 st) {
     return value;
 }
 
-vec4 noiseColor(float time) {
+vec4 noiseColor() {
-    float cloudIntensity = 15.0;
-
     vec2 st = vtc.xy;
     vec2 mirroredSt = vec2(1.0 - st.x, st.y);
-
+    
-    // Adjust animation to be boundary-aware
+    float timeOffset = u_time * cloudSpeed;
-    float timeOffset = time * 0.07;
     st.x -= timeOffset;
     mirroredSt.x += timeOffset; // Inverse direction for mirrored effect
 
-    // Ensure wrapping or clamping based on your texture coordinates' expectations
     st.x = fract(st.x);
     mirroredSt.x = fract(mirroredSt.x);
 
-    // Calculate cloud patterns
     vec3 color = vec3(fbm(st * cloudIntensity));
     vec3 mirroredColor = vec3(fbm(mirroredSt * cloudIntensity));
 
-    // Dynamic gradient based on X coordinate, ensuring smooth transition
+    float blend = smoothstep(0.45, 0.55, st.x); 
-    float blend = smoothstep(0.45, 0.55, st.x); // Adjust these values as needed
 
-    // Blend based on the dynamic gradient
     vec3 finalColor = mix(color, mirroredColor, blend);
 
     vec4 noiseColor = vec4(finalColor, 1.0);
@@ -182,19 +175,17 @@ vec4 noiseColor(float time) {
 
 void main() {
     vec3 normal = normalize(vecNormal);
-    vec3 normalClouds = normalize(vecNormalClouds);
 
     vec3 viewDir = normalize(cameraPos - worldPos);
 
 	vec3 lightDir = normalize(lightPos - worldPos);
-	vec3 lightDirClouds = normalize(lightPos - worldPosClouds);
 
     vec4 textureColor = texture2D(colorTexture, vtc);
 
     float diffuse = max(0, dot(normal, lightDir));
-    //float diffuseClouds = max(0, dot(normalClouds, lightDir));
     vec3 distance = lightColor / pow(length(lightPos - worldPos), 2.0) * 300;
     vec3 toneMappedColor = toneMapping(vec3(textureColor) * min(1, AMBIENT + diffuse) * distance);
+
     //gamma correction
     //toneMappedColor = pow(toneMappedColor, vec3(1.0/2.2)); 
 
@@ -208,11 +199,9 @@ void main() {
 
 	textureColor = vec4(vec3(1.0) - exp(-illumination * exposition), 1);
 
-    vec4 noiseColor = noiseColor(u_time) * min(1, AMBIENT + diffuse);
+    vec4 noiseColor = noiseColor() * min(1, AMBIENT + diffuse) * vec4(lightColor, 0.0) / cloudLight;
 
     vec3 mixedColor = mix(textureColor.rgb, noiseColor.rgb, noiseColor.r);
 
-    //outColor = vec4(mixedColor, 1.0);
-
     outColor = vec4(mixedColor * min(1, AMBIENT + diffuse), 1.0);
 }

grk/cw 6/shaders/shader_pbr.vert

@@ -9,16 +9,10 @@ layout(location = 4) in vec3 vertexBitangent;
 uniform mat4 transformation;
 uniform mat4 modelMatrix;
 
-uniform mat4 noiseTransformation;
-uniform mat4 noiseMatrix;
-
 out vec3 vecNormal;
 out vec3 worldPos;
-out vec3 vecNormalClouds;
-out vec3 worldPosClouds;
 
 out vec2 vtc;
-out vec2 vtcNoise;
 
 uniform vec3 lightPos;
 uniform vec3 cameraPos;
@@ -32,14 +26,10 @@ void main()
 {
 	worldPos = (modelMatrix * vec4(vertexPosition, 1)).xyz;
 	vecNormal = (modelMatrix * vec4(vertexNormal, 0)).xyz;
-	
-	worldPosClouds = (noiseMatrix * vec4(vertexPosition, 1)).xyz;
-	vecNormalClouds = (noiseMatrix * vec4(vertexNormal, 0)).xyz;
 
 	gl_Position = transformation * vec4(vertexPosition, 1.0);
 	
 	vtc = vec2(vertexTexCoord.x, 1.0 - vertexTexCoord.y);
-	vtcNoise = vec2(vertexTexCoord.x, 1.0 - vertexTexCoord.y);
 
 	vec3 w_tangent = normalize(mat3(modelMatrix) * vertexTangent);
 	vec3 w_bitangent = normalize(mat3(modelMatrix) * vertexBitangent);

grk/cw 6/src/Planet.hpp

@@ -73,6 +73,10 @@ int HDR_HEIGHT = 1024;
 float lightPower = 10.f;
 glm::vec3 lightColor = glm::vec3(lightPower, lightPower, lightPower);
 
+float cloudLight = 20.f;
+float cloudIntensity = 15.f;
+float cloudSpeed = 0.07f;
+
 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));
@@ -189,16 +193,13 @@ void drawSkyBox(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint text
 	glUseProgram(0);
 }
 
-void drawObjectPBR(Core::RenderContext& context, glm::mat4 modelMatrix, glm::mat4 noiseMatrix, GLuint texture, float roughness, float metallic, float time) {
+void drawObjectPBR(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint texture, float roughness, float metallic) {
 	glUseProgram(programPbr);
 	Core::SetActiveTexture(texture, "colorTexture", programPbr, 0);
 	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
 	glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
-	glm::mat4 noiseTransformation = viewProjectionMatrix * noiseMatrix;
 	glUniformMatrix4fv(glGetUniformLocation(programPbr, "transformation"), 1, GL_FALSE, (float*)&transformation);
-	glUniformMatrix4fv(glGetUniformLocation(programPbr, "noiseTransformation"), 1, GL_FALSE, (float*)&transformation);
 	glUniformMatrix4fv(glGetUniformLocation(programPbr, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
-	glUniformMatrix4fv(glGetUniformLocation(programPbr, "noiseMatrix"), 1, GL_FALSE, (float*)&noiseMatrix);
 
 	glUniform1f(glGetUniformLocation(programPbr, "exposition"), lightPower);
 
@@ -212,27 +213,17 @@ void drawObjectPBR(Core::RenderContext& context, glm::mat4 modelMatrix, glm::mat
 
 	glUniform3f(glGetUniformLocation(programPbr, "lightPos"), sunPos.x, sunPos.y, sunPos.z);
 	glUniform3f(glGetUniformLocation(programPbr, "lightColor"), lightColor.x, lightColor.y, lightColor.z);
+
+	float time = glfwGetTime();
 	glUniform1f(glGetUniformLocation(programPbr, "u_time"), time);
+	glUniform1f(glGetUniformLocation(programPbr, "cloudLight"), cloudLight);
+	glUniform1f(glGetUniformLocation(programPbr, "cloudIntensity"), cloudIntensity);
+	glUniform1f(glGetUniformLocation(programPbr, "cloudSpeed"), cloudSpeed);
 
 	Core::DrawContext(context);
 	glUseProgram(0);
 }
 
-void drawObjectNoise(Core::RenderContext& context, glm::mat4 modelMatrix, float time) {
-
-
-	glUseProgram(programNoise);
-	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
-	glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
-	glUniformMatrix4fv(glGetUniformLocation(programNoise, "transformation"), 1, GL_FALSE, (float*)&transformation);
-	glUniformMatrix4fv(glGetUniformLocation(programNoise, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
-	glUniform1f(glGetUniformLocation(programNoise, "u_time"), time);
-
-	Core::DrawContext(context);
-	glUseProgram(0);
-}
-
-
 void renderScene(GLFWwindow* window) {
 	glClearColor(0.5f, 0.0f, 0.25f, 1.0f);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -244,13 +235,9 @@ void renderScene(GLFWwindow* window) {
 	glm::mat4 planetTranslate = glm::translate(planetPos);
 
 	glm::mat4 planetMatrix = planetTranslate * planetRotate * planetScale;
-	glm::mat4 noiseMatrix = planetTranslate * planetScale;
 
-	glm::mat4 cloudScale = glm::scale(glm::vec3(planetSize * 1.05f));
+	//rysowanie planety
-
+	drawObjectPBR(sphereContext, planetMatrix, planetTex, planetRough, planetMetal);
-	//drawPlanet(sphereContext, planetTranslate * planetRotate * planetScale, planetTex);
-	drawObjectPBR(sphereContext, planetMatrix, noiseMatrix, planetTex, planetRough, planetMetal, time);
-	//drawObjectNoise(sphereContext, planetTranslate * planetRotate * cloudScale, time);
 
 	//rysowanie słońca
 	glm::mat4 sunScale = glm::scale(glm::vec3(sunSize));
@@ -299,7 +286,6 @@ void init(GLFWwindow* window) {
 	programPbr = shaderLoader.CreateProgram("shaders/shader_pbr.vert", "shaders/shader_pbr.frag");
 	programSun = shaderLoader.CreateProgram("shaders/shader_sun.vert", "shaders/shader_sun.frag");
 	programSkyBox = shaderLoader.CreateProgram("shaders/shader_skybox.vert", "shaders/shader_skybox.frag");
-	programNoise = shaderLoader.CreateProgram("shaders/shader_pbr.vert", "shaders/shader_noise.frag");
 
 	loadModelToContext("./models/sphere.obj", sphereContext);
 	loadModelToContext("./models/cube.obj", cubeContext);
@@ -316,7 +302,6 @@ void shutdown(GLFWwindow* window) {
 	shaderLoader.DeleteProgram(programPbr);
 	shaderLoader.DeleteProgram(programSun);
 	shaderLoader.DeleteProgram(programSkyBox);
-	shaderLoader.DeleteProgram(programNoise);
 }
 
 //obsluga wejscia