camera ++;

3_PointCloud/Camera.cpp

@@ -4,11 +4,25 @@
 #include "quaternion_utils.h"
 
 
-Camera::Camera()
+
+
+Camera::Camera() : Camera(vec3(10.0f, 5.0f, 0.0f))
+{
+
+}
+
+Camera::Camera(vec3 position) : Camera(position, vec3(0.0f, 0.0f, 0.0f))  {
+
+}
+
+Camera::Camera(vec3 position, vec3 lookAt)
 {
 //	rotation = glm::gtx::quaternion::angleAxis(degrees(45), RotationAxis);
-	position = glm::vec3(20, 10, 0);
-	//direction = normalize(-position);
+	this->position = position;
+	vec3 dir = normalize(lookAt -position);
+	verticalAngle = asinf(dir.y);
+	horizontalAngle = atan2(dir.x, dir.z);
+
 	rotate(0, 0); //sets direction
 	up = glm::vec3(0.0f, 1.0f, 0.0f);
 

3_PointCloud/Camera.h

@@ -19,10 +19,12 @@ public:
 	float speed = 0.3f;
 	float mouseSpeed = 0.005f;
 
-	float horizontalAngle = -M_PI/2;
-	float verticalAngle = -M_PI/8;
+	float horizontalAngle = (float) -M_PI/2;
+	float verticalAngle = (float) -M_PI/8;
 
 	Camera();
+	Camera(glm::vec3 position);
+	Camera(glm::vec3 position, glm::vec3 lookAt);
 	~Camera();
 
 	void move(glm::vec3 relative);

3_PointCloud/main.cpp

@@ -310,6 +310,9 @@ void mainRenderLoop() {
 
 	//draw stored Point cloud	
 
+	drawElementArray(exportData, GL_POINTS);
+
+	glPushMatrix();
 	//draw current Frame 
 	if(currentControlerPos) //applay controler Transformation
 		glMultMatrixf(glm::value_ptr(*currentControlerPos));
@@ -317,15 +320,9 @@ void mainRenderLoop() {
 	glPointSize(1.f);
 	drawElementArray(framePoints, GL_POINTS);
 
-
-	drawElementArray(exportData, GL_POINTS);
-
-
 	drawElementArray(arrowData, GL_TRIANGLES);
 
-	
 	// draw hud arrow
-	glPushMatrix();
 	glTranslatef(0.0f, 1.5f, 0.0f);
 	float scale = 1.0f ;
 	glScalef(scale, scale, scale);