Merge pull request 'spaceship animations' (#13) from movement into master

Reviewed-on: #13

grk/project/ParticleSystem.h

@@ -104,7 +104,7 @@ public:
         glBindVertexArray(0);
     }
 
-    void drawParticles(GLuint program, glm::mat4 view, glm::mat4 projection, float time) {
+    void drawParticles(GLuint program, glm::mat4 view, glm::mat4 projection, glm::mat4 modelSrc,  float time) {
         if (shouldGenerateNewParticle(time)) {
             generateNewParticle(time);
         }
@@ -124,7 +124,8 @@ public:
             glUniformMatrix4fv(viewLoc, 1, GL_FALSE, glm::value_ptr(view));
             glUniformMatrix4fv(projectionLoc, 1, GL_FALSE, glm::value_ptr(projection));
 
-            glm::mat4 model = glm::translate(glm::mat4(1.0f), sourcePosition + particle.randomPointOnCircle);
+            glm::mat4 model = glm::translate(glm::mat4(1), sourcePosition + particle.randomPointOnCircle);
+            model = model * modelSrc;
             model = glm::scale(model, glm::vec3(0.005f, 0.005f, 0.005f));
             model = glm::translate(model, particle.direction * speed * (time - particle.birthTime));
             glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(model));

grk/project/Planet.h

@@ -41,6 +41,6 @@ public:
 		float rotationAngle = glm::radians(time * rotationSpeed);
 		positionMatrix = center->getPositionMatrix() * glm::eulerAngleY(time * rotationSpeed) * glm::translate(glm::vec3(distanceFromCenter, 0, 0));
 	    glm::mat4 modelMatrix = positionMatrix * glm::scale(glm::vec3(scale));
-		Core::drawObjectPBRTexture(sphereContext, modelMatrix, textureID, 0.7, 0.0, program);
+		Core::drawObjectPBRTexture(sphereContext, modelMatrix, textureID, normalMapID, 0.7, 0.0, program);
 	}
 };

grk/project/Spaceship.h

@@ -11,6 +11,7 @@
 class Spaceship : public GameEntity
 {
 private:
+
 	std::list<Bullet*> bullets;
 	float lastShootTime = 0.f;
 	float shootInterval = 0.3f;
@@ -48,18 +49,29 @@ public:
 
 	glm::vec3 cameraPos = glm::vec3(0.479490f, 1.250000f, -2.124680f);
 	glm::vec3 cameraDir = glm::vec3(-0.354510f, 0.000000f, 0.935054f);
+	glm::mat4 additionalHorRotationMatrix;
+	glm::mat4 additionalVerRotationMatrix;
 
 	glm::mat4 calculateModelMatrix() {
 		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({
+
+		glm::mat4 spaceshipCameraRotationMatrix = 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.,
+			0., 0., 0., 1.
 			});
 
-		return glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::scale(glm::vec3(0.02f));
+		float additionalVerRotationAngle = glm::radians(currentShipVerAngle);
+		additionalVerRotationMatrix = glm::rotate(glm::mat4(1.0f), additionalVerRotationAngle, glm::vec3(1.f, 0.f, 0.f));
+
+		float additionalHorRotationAngle = glm::radians(currentShipHorAngle);
+		additionalHorRotationMatrix = glm::rotate(glm::mat4(1.0f), additionalHorRotationAngle, glm::vec3(0.f, 0.2f, 1.f));
+
+		glm::mat4 modelMatrix = glm::translate(spaceshipPos) * spaceshipCameraRotationMatrix * additionalVerRotationMatrix * additionalHorRotationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::scale(glm::vec3(0.02f));
+
+		return modelMatrix;
 	}
 
 	void setPerticlesParameters(float speed, float generationInterval) {
@@ -69,6 +81,122 @@ public:
 		rightParticle->generationInterval = generationInterval;
 	}
 
+
+	const float fromCameraDirHorizontalStateToStateTime = 0.2f;
+	const float CAMERA_DISTANCE_STATIC_HOR = 0.7f;
+	const float CAMERA_DISTANCE_SLOW_HOR = 0.85f;
+	const float CAMERA_DISTANCE_FAST_HOR = 1.f;
+	
+	float currentCameraDistanceHor = CAMERA_DISTANCE_STATIC_HOR;
+	float targetCameraDistanceHor = CAMERA_DISTANCE_STATIC_HOR;
+	int currentWState = 0;
+	int currentShiftState = 0;
+
+	float calculateCameraDistanceHor(int wState, int shiftState, float time) {
+		currentWState = wState;
+		currentShiftState = shiftState;
+
+		if (currentWState == 1 && currentShiftState == 0) {
+			targetCameraDistanceHor = CAMERA_DISTANCE_SLOW_HOR;
+		}
+		else if (currentWState == 1 && currentShiftState == 1) {
+			targetCameraDistanceHor = CAMERA_DISTANCE_FAST_HOR;
+		}
+		else {
+			targetCameraDistanceHor = CAMERA_DISTANCE_STATIC_HOR;
+		}
+
+		float diff = targetCameraDistanceHor - currentCameraDistanceHor;
+		float step = diff / fromCameraDirHorizontalStateToStateTime * time;
+
+		currentCameraDistanceHor += step;
+
+		return currentCameraDistanceHor;
+	}
+
+	const float fromCameraDirVerticalStateToStateTime = 0.2f;
+	const float CAMERA_DISTANCE_STATIC_VER = 0.2f;
+	const float CAMERA_DISTANCE_SLOW_VER = 0.25f;
+	const float CAMERA_DISTANCE_FAST_VER = 0.3f;
+
+	float currentCameraDistanceVer = CAMERA_DISTANCE_STATIC_VER;
+	float targetCameraDistanceVer = CAMERA_DISTANCE_STATIC_VER;
+
+	float calculateCameraDistanceVer(float time) {
+		if (currentWState == 1 && currentShiftState == 0) {
+			targetCameraDistanceVer = CAMERA_DISTANCE_SLOW_VER;
+		}
+		else if (currentWState == 1 && currentShiftState == 1) {
+			targetCameraDistanceVer = CAMERA_DISTANCE_FAST_VER;
+		}
+		else {
+			targetCameraDistanceVer = CAMERA_DISTANCE_STATIC_VER;
+		}
+
+		float diff = targetCameraDistanceVer - currentCameraDistanceVer;
+		float step = diff / fromCameraDirVerticalStateToStateTime * time;
+
+		currentCameraDistanceVer += step;
+
+		return currentCameraDistanceVer;
+	}
+
+	const float MAX_VERTICAL_ANGLE = 15.f;
+	float currentShipVerAngle = 0.f;
+	float targetShipVerAngle = 0.f;
+	int currentQState = 0;
+	int currentEState = 0;
+
+	float calculateShipAngleVer(int qState, int eState, float time) {
+		currentQState = qState;
+		currentEState = eState;
+
+		if (currentQState == 1) {
+			targetShipVerAngle = MAX_VERTICAL_ANGLE;
+		}
+		else if (currentEState == 1) {
+			targetShipVerAngle = -MAX_VERTICAL_ANGLE;
+		}
+		else {
+			targetShipVerAngle = 0.f;
+		}
+
+		float diff = targetShipVerAngle - currentShipVerAngle;
+		float step = diff / 0.2f * time;
+
+		currentShipVerAngle += step;
+
+		return currentShipVerAngle;
+	}
+
+	const float MAX_HORIZONTALL_ANGLE = 15.f;
+	float currentShipHorAngle = 0.f;
+	float targetShipHorAngle = 0.f;
+	int currentAState = 0;
+	int currentDState = 0;
+
+	float calculateShipAngleHor(int aState, int dState, float time) {
+		currentAState = aState;
+		currentDState = dState;
+
+		if (currentAState == 1) {
+			targetShipHorAngle = MAX_HORIZONTALL_ANGLE;
+		}
+		else if (currentDState == 1) {
+			targetShipHorAngle = -MAX_HORIZONTALL_ANGLE;
+		}
+		else {
+			targetShipHorAngle = 0.f;
+		}
+
+		float diff = targetShipHorAngle - currentShipHorAngle;
+		float step = diff / 0.2f * time;
+
+		currentShipHorAngle += step;
+
+		return currentShipHorAngle;
+	}
+
 	void processInput(GLFWwindow* window, float deltaTime, float time) {
 		static bool mouseButtonCallbackSet = false;
 		if (!mouseButtonCallbackSet) {
@@ -81,9 +209,18 @@ public:
 
 		int w = glfwGetKey(window, GLFW_KEY_W);
 		int s = glfwGetKey(window, GLFW_KEY_S);
+		int shiftState = glfwGetKey(window, GLFW_KEY_LEFT_SHIFT);
+		int qState = glfwGetKey(window, GLFW_KEY_Q);
+		int eState = glfwGetKey(window, GLFW_KEY_E);
+		int aState = glfwGetKey(window, GLFW_KEY_A);
+		int dState = glfwGetKey(window, GLFW_KEY_D);
+
+		calculateShipAngleVer(qState, eState, deltaTime);
+		calculateShipAngleHor(aState, dState, deltaTime);
+		//spaceshipDir = glm::vec3(glm::eulerAngleX(verticalAngle) * glm::vec4(spaceshipDir, 0));
 
 		if (w == GLFW_PRESS) {
-			if (glfwGetKey(window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS) {
+			if (shiftState == GLFW_PRESS) {
 				moveSpeed *= 2;
 				setPerticlesParameters(200.f, 0.00005f);
 			}
@@ -95,8 +232,6 @@ public:
 			setPerticlesParameters(50.f, 0.0002f);
 		}
 
-		
-
 		if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
 			glfwSetWindowShouldClose(window, true);
 		}
@@ -108,18 +243,18 @@ public:
 			spaceshipPos += spaceshipSide * moveSpeed;
 		if (glfwGetKey(window, GLFW_KEY_Z) == GLFW_PRESS)
 			spaceshipPos -= spaceshipSide * moveSpeed;
-		if (glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS)
+		if (qState == GLFW_PRESS)
 			spaceshipPos += spaceshipUp * moveSpeed;
-		if (glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS)
+		if (eState == GLFW_PRESS)
 			spaceshipPos -= spaceshipUp * moveSpeed;
-		if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
+		if (aState == GLFW_PRESS)
 			spaceshipDir = glm::vec3(glm::eulerAngleY(angleSpeed) * glm::vec4(spaceshipDir, 0));
-		if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
+		if (dState == GLFW_PRESS)
 			spaceshipDir = glm::vec3(glm::eulerAngleY(-angleSpeed) * glm::vec4(spaceshipDir, 0));
 		if (glfwGetMouseButton(window, GLFW_MOUSE_BUTTON_LEFT) == GLFW_PRESS)
 			requestShoot(time);
 
-		cameraPos = spaceshipPos - 1.f * spaceshipDir + glm::vec3(0, 1, 0) * 0.2f;
+		cameraPos = spaceshipPos - calculateCameraDistanceHor(w, shiftState, deltaTime) * spaceshipDir + glm::vec3(0, calculateCameraDistanceVer(deltaTime), 0);
 		cameraDir = spaceshipDir;
 		glm::vec3 perpendicularVector = 0.04f * glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.0f, 1.0f, 0.0f)));
 		if (leftParticle != nullptr && rightParticle != nullptr) {
@@ -135,8 +270,9 @@ public:
 
 	void renderParticles(GLuint program, glm::mat4 view, glm::mat4 projection, float time) {
 		if (leftParticle != nullptr && rightParticle != nullptr) {
-			leftParticle->drawParticles(program, view, projection, time);
-			rightParticle->drawParticles(program, view, projection, time);
+			glm::mat4 modelSrc = additionalVerRotationMatrix * additionalHorRotationMatrix;
+			leftParticle->drawParticles(program, view, projection, modelSrc, time);
+			rightParticle->drawParticles(program, view, projection, modelSrc, time);
 		}
 	}
 
@@ -192,8 +328,9 @@ public:
 
 	void shoot(float time) {
 		glm::vec3 perpendicularVector = 0.25f * glm::normalize(glm::cross(cameraDir, glm::vec3(0.0f, 1.0f, 0.0f)));
-		bullets.push_back(Bullet::createSimpleBullet(cameraDir, spaceshipPos - perpendicularVector, time));
-		bullets.push_back(Bullet::createSimpleBullet(cameraDir, spaceshipPos + perpendicularVector, time));
+		glm::vec3 dir = glm::vec4(spaceshipDir.x, spaceshipDir.y, spaceshipDir.z, 1.f) * additionalVerRotationMatrix * additionalHorRotationMatrix;
+		bullets.push_back(Bullet::createSimpleBullet(dir, spaceshipPos - perpendicularVector, time));
+		bullets.push_back(Bullet::createSimpleBullet(dir, spaceshipPos + perpendicularVector, time));
 		lastShootTime = time;
 	}