adjust camera speed for framerate

u06-2/main.c

@@ -36,21 +36,21 @@ int framesSinceUpdate = 0;
 GLfloat step = 0.0f;
 const GLfloat pi = 3.14159f;
 
-vec3 cameraPosition = {4.0f, 2.0f, 0.0f};
+vec3 cameraPosition = {0.0f, 2.0f, 4.0f};
 
 // input handler for camera movement
-void handleInputs(void) {
+void handleInputs(double deltaTime) {
 	if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS) {
-		cameraPosition.z += 0.02f;
+		cameraPosition.z += deltaTime * 10;
 	}
 	if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS) {
-		cameraPosition.z -= 0.02f;
+		cameraPosition.z -= deltaTime * 10;
 	}
 	if (glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS) {
-		cameraPosition.y += 0.02f;
+		cameraPosition.y += deltaTime * 10;
 	}
 	if (glfwGetKey(window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS) {
-		cameraPosition.y -= 0.02f;
+		cameraPosition.y -= deltaTime * 10;
 	}
 }
 
@@ -204,7 +204,7 @@ void draw(void) {
 	}
 
 	// camera movement
-	handleInputs();
+	handleInputs(deltaTime);
 
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	glUseProgram(program);