Solve fish error

grafika_projekt/src/main.cpp

@@ -16,6 +16,7 @@
 GLuint skyboxProgram, skyboxBuffer;
 GLuint programColor;
 GLuint programTexture;
+GLuint textureSubmarine;
 GLuint textureFish;
 unsigned int cubemapTexture, skyboxVAO;
 
@@ -32,25 +33,15 @@ glm::quat rotation = glm::quat(1, 0, 0, 0);
 glm::mat4 cameraMatrix, perspectiveMatrix;
 
 Core::Shader_Loader shaderLoader;
+Core::RenderContext submarineContext;
 Core::RenderContext fishContext;
 
 std::vector<glm::vec3> keyPoints({
-glm::vec3(5.0f, 5.0f, 5.0f),
-glm::vec3(5.0f, 5.0f, -5.0f),
-glm::vec3(-5.0f, 5.0f, -5.0f),
-glm::vec3(-5.0f, 5.0f, 5.0f),
-glm::vec3(5.0f, 5.0f, 5.0f),
-glm::vec3(5.0f, 5.0f, -5.0f),
-glm::vec3(-5.0f, 5.0f, -5.0f),
-glm::vec3(-5.0f, 5.0f, 5.0f),
-glm::vec3(5.0f, 5.0f, 5.0f),
-glm::vec3(5.0f, 5.0f, -5.0f),
-glm::vec3(-5.0f, 5.0f, -5.0f),
-glm::vec3(-5.0f, 5.0f, 5.0f),
-glm::vec3(5.0f, 5.0f, 5.0f),
-glm::vec3(5.0f, 5.0f, -5.0f),
-glm::vec3(-5.0f, 5.0f, -5.0f),
-glm::vec3(-5.0f, 5.0f, 5.0f),
+glm::vec3(15.0f, 5.0f, 15.0f),
+glm::vec3(15.0f, 5.0f, -15.0f),
+glm::vec3(-15.0f, 5.0f, -15.0f),
+glm::vec3(-15.0f, 5.0f, 15.0f),
+glm::vec3(15.0f, 5.0f, 15.0f),
 	});
 
 std::vector<glm::quat> keyRotation;
@@ -185,7 +176,7 @@ glm::mat4 createCameraMatrix()
 }
 
 glm::mat4 animationMatrix(float time) {
-	float speed = 2.;
+	float speed = 1.;
 	time = time * speed;
 	std::vector<float> distances;
 	float timeStep = 0;
@@ -205,17 +196,19 @@ glm::mat4 animationMatrix(float time) {
 
 	float t = time / distances[index];
 
-	int size = keyPoints.size() - 1;
-	int rotationSize = keyRotation.size() - 1;
+	int size = keyPoints.size();
+	int rotationSize = keyRotation.size();
 
-	glm::vec3 pos = glm::catmullRom(keyPoints[index - 1], keyPoints[index], keyPoints[index + 1], keyPoints[index + 2], t);
+	std::cout << (index - 1) % size << " " << index % size << " " << (index+1)%size << " " << (index+2)%size << std::endl;
+
+	glm::vec3 pos = glm::catmullRom(keyPoints[std::max(0, (index-1)%size)], keyPoints[(index) % size], keyPoints[(index + 1) % size], keyPoints[(index + 2) % size], t);
 
 	glm::quat divideByFour = glm::quat(0.25f, 0.25f, 0.25f, 0.25f);
-	auto a1 = keyRotation[index] * glm::exp(-(glm::log(glm::inverse(keyRotation[index]) * keyRotation[index - 1]) + glm::log(glm::inverse(keyRotation[index]) * keyRotation[index + 1])) * divideByFour);
+	auto a1 = keyRotation[index % rotationSize] * glm::exp(-(glm::log(glm::inverse(keyRotation[index % rotationSize]) * keyRotation[std::max(0, (index - 1)%rotationSize)]) + glm::log(glm::inverse(keyRotation[index % rotationSize]) * keyRotation[(index + 1) % rotationSize])) * divideByFour);
 
-	auto a2 = keyRotation[index + 1] * glm::exp(-(glm::log(glm::inverse(keyRotation[index + 1]) * keyRotation[index]) + glm::log(glm::inverse(keyRotation[index + 1]) * keyRotation[index + 2])) * divideByFour);
+	auto a2 = keyRotation[(index + 1) % rotationSize] * glm::exp(-(glm::log(glm::inverse(keyRotation[(index + 1) % rotationSize]) * keyRotation[index % rotationSize]) + glm::log(glm::inverse(keyRotation[(index + 1) % rotationSize]) * keyRotation[(index + 2) % rotationSize])) * divideByFour);
 
-	auto animationRotation = glm::squad(keyRotation[index], keyRotation[index + 1], a1, a2, t);
+	auto animationRotation = glm::squad(keyRotation[index % rotationSize], keyRotation[(index + 1) % rotationSize], a1, a2, t);
 
 	glm::mat4 result = glm::translate(pos) * glm::mat4_cast(animationRotation);
 
@@ -275,10 +268,13 @@ void renderScene()
 	glDrawArrays(GL_TRIANGLES, 0, 36);
 	glBindVertexArray(0);
 
-	glm::mat4 fishInitialTransformation = glm::translate(glm::vec3(0, -0.5, -0.4)) * glm::rotate(glm::radians(180.0f), glm::vec3(0, 1, 0)) * glm::scale(glm::vec3(0.25f));
-	glm::mat4 fishModelMatrix = glm::translate(cameraPos + cameraDir) * glm::mat4_cast(glm::inverse(rotation)) * animationMatrix(time);
+	glm::mat4 submarineInitialTransformation = glm::translate(glm::vec3(0, -0.5, -0.4)) * glm::rotate(glm::radians(180.0f), glm::vec3(0, 1, 0)) * glm::scale(glm::vec3(0.25f));
+	glm::mat4 submarineModelMatrix = glm::translate(cameraPos + cameraDir) * glm::mat4_cast(glm::inverse(rotation)) * submarineInitialTransformation;
 
-	drawObjectTexture(fishContext, fishModelMatrix, textureFish);
+	glm::mat4 fishInitialTransformation = glm::translate(glm::vec3(0, 0, 0)) * glm::rotate(glm::radians(180.0f), glm::vec3(0, 1, 0)) * glm::scale(glm::vec3(0.25f));
+	
+	drawObjectTexture(fishContext, animationMatrix(time + 15), textureFish);
+	drawObjectTexture(submarineContext, submarineModelMatrix, textureSubmarine);
 	glutSwapBuffers();
 }
 
@@ -372,8 +368,13 @@ void init()
 	programTexture = shaderLoader.CreateProgram((char*) "shaders/shader_tex.vert", (char*) "shaders/shader_tex.frag");
 	skyboxProgram = shaderLoader.CreateProgram((char *) "shaders/skybox.vert", (char *) "shaders/skybox.frag");
 	cubemapTexture = loadCubemap();
-	loadModelToContext("models/submarine.obj", fishContext);
-	textureFish = Core::LoadTexture("textures/submarine.png");
+	
+	loadModelToContext("models/submarine.obj", submarineContext);
+	textureSubmarine = Core::LoadTexture("textures/submarine.png");
+
+	loadModelToContext("models/fish.obj", fishContext);
+	textureFish = Core::LoadTexture("textures/fish.png");
+
 	initKeyRotation();
 	initSkybox();
 }