public static void CollideBox(GameObject physObject1, GameObject physObject2)
{
PointFloat vel1 = physObject1.GetVelocity();
PointFloat vel2 = physObject2.GetVelocity();
float h1 = -(float)Math.Atan2(vel1.x, vel1.y);
float h2 = -(float)Math.Atan2(vel2.x, vel2.y);
if (h2 > h1 + (_pi / 2.0f) && h2 < h1 - (_pi / 2.0f))
{
return;
}
PointFloat pos1 = physObject1.GetPosition();
PointFloat pos2 = physObject2.GetPosition();
float x = pos1.x - pos2.x;
float y = pos1.y - pos2.y;
float h = -(float)Math.Atan2(x, y);
PointFloat dir = GetDirection(h + (float)Math.PI / 2.0f);
float e1 = (Math.Abs(vel1.x) + Math.Abs(vel2.x)) * dir.x;
float e2 = (Math.Abs(vel1.y) + Math.Abs(vel2.y)) * dir.y;
e1 = e1 / 2;
e2 = e2 / 2;
if (!physObject1.OnColision(physObject2, e1 + e2))
{
return;
}
int count = 0;
while (count <= 10 && IsInBox(physObject1.GetPosition(), physObject2.GetPosition(), physObject1.GetSize(), physObject2.GetSize()))
{
if (vel1.GetSpeed() < vel2.GetSpeed())
{
physObject2.SetPosAdd(vel2 / -10);
}
else
{
physObject1.SetPosAdd(vel1 / 10);
}
count++;
}
if (physObject2.HasMass() == true)
{
physObject1.SetVelocity(0, 0);
}
if (physObject1.HasMass() == true)
{
physObject2.SetVelocity(0, 0);
}
PhysInteractions++;
}
//handles collision
public static void CollideCircleBox(GameObject physObject1, GameObject physObject2)
{
PointFloat vel1 = physObject1.GetVelocity();
PointFloat vel2 = physObject2.GetVelocity();
float h1 = -(float)Math.Atan2(vel1.x, vel1.y);
float h2 = -(float)Math.Atan2(vel2.x, vel2.y);
if ( h2 > h1 + (_pi/2.0f) && h2 < h1 - (_pi/2.0f) )
{
return;
}
PointFloat pos1 = physObject1.GetPosition();
PointFloat pos2 = physObject2.GetPosition();
float x = pos1.x - pos2.x;
float y = pos1.y - pos2.y;
float h = -(float)Math.Atan2(x, y);
PointFloat dir = GetDirection(h + (float)Math.PI / 2.0f);
//while ( IsOverlappingInCircle(physObject1, physObject2) )
//{
//physObject1.SetPosAdd(dir / 1);
//physObject2.SetPosAdd(dir / -1);
//}
float e1 = ( Math.Abs(vel1.x) + Math.Abs(vel2.x) ) * dir.x;
float e2 = ( Math.Abs(vel1.y)+ Math.Abs(vel2.y) ) * dir.y;
e1 = e1 / 2;
e2 = e2 / 2;
if(!physObject1.OnColision(physObject2, e1 + e2)){
return;
}
if ( physObject2.HasMass() == true )
{
physObject1.SetPosAdd(vel1 / -1);
physObject1.SetVelocity(e1, e2);
physObject1.SetRotationVelocity(( (float)Math.Atan2(vel1.x + vel2.x, vel1.y + vel2.y) - (float)Math.Atan2(x, y) ) / 100f);
}
if ( physObject1.HasMass() == true )
{
physObject2.SetVelocity(-e1, -e2);
physObject2.SetRotationVelocity(( (float)Math.Atan2(vel1.x + vel2.x, vel1.y + vel2.y) - (float)Math.Atan2(x, y) ) / 100f);
}
PhysInteractions++;
}
//is colliding
public static bool IsOverlappingInCircle(GameObject physObject)
{
PointFloat physPos = physObject.GetPosition();
float physSize = physObject.GetPhysSize();
foreach (GameObject obj in TomatoMainEngine.GameObjects)
{
if (obj.HasPhysics() && !(obj.IsParticle() && obj.Type == physObject.Type) && obj != physObject)
{
float fDistance = (float)(Math.Pow(physPos.x - obj.GetPosition().x, 2) + Math.Pow(physPos.y - obj.GetPosition().y, 2));
if (fDistance < physSize + obj.GetPhysSize())
{
return true;
}
}
}
return false;
}
public static bool IsOverlappingInCircle(GameObject physObject1, GameObject physObject2)
{
PointFloat physPos = physObject1.GetPosition();
float physSize = physObject1.GetPhysSize();
if (physObject2.HasPhysics() && !( physObject2.IsParticle () && physObject2.Type == physObject1.Type))
{
PointFloat objPos = physObject2.GetPosition();
float fDistance = (float)( Math.Pow(physPos.x-objPos.x, 2) + Math.Pow(physPos.y-objPos.y, 2) );
if ( fDistance < physSize + physObject2.GetPhysSize() )
{
return true;
}
}
return false;
}
public static void HandleAllObjects( GameObject physObject, List<GameObject> objectList)
{
if (Mode == PhysMode.CircleBox)
{
foreach (GameObject obj in objectList)
{
CollideCircleBox(physObject, obj);
}
}
else
{
foreach (GameObject obj in objectList)
{
CollideBox(physObject, obj);
}
}
}
public static List<GameObject> GetAllOverlapping(GameObject physObject)
{
_tempList.Clear();
if(Mode == PhysMode.CircleBox){
PointFloat physPos = physObject.GetPosition();
float physSize = physObject.GetPhysSize();
foreach (GameObject obj in TomatoMainEngine.GameObjects)
{
if (obj.HasPhysics() && obj != physObject && !(physObject.IsParticle() && obj.Type == physObject.Type))
{
PointFloat objPos = obj.GetPosition();
float gemX = Math.Abs(objPos.x - physPos.x);
float gemY = Math.Abs(objPos.y - physPos.y);
float fDistance = gemX + gemY - obj.GetPhysSize();
if (fDistance < physSize)
{
_tempList.Add(obj);
}
}
}
}
else
{
PointFloat physPos = physObject.GetPosition();
PointFloat physSize = physObject.GetSize();
foreach (GameObject obj in TomatoMainEngine.GameObjects)
{
if (obj.HasPhysics() && obj != physObject && !(physObject.IsParticle() && obj.Type == physObject.Type))
{
if (IsInBox(physPos, obj.GetPosition(), physSize, obj.GetSize()))
{
_tempList.Add(obj);
}
}
}
}
return _tempList;
}
public void RenderObjects(OpenGL gl, GameObject[] objects)
{
//clears the screen
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
//St matrix mode to PROJECTION so we can move the camera
gl.MatrixMode(OpenGL.GL_PROJECTION);
// Load the identity matrix.
gl.LoadIdentity();
//Move the camera
CamController.SetCam(gl);
//Set matrix mode back to Modelview so we can draw objects
gl.MatrixMode(OpenGL.GL_MODELVIEW);
if (_mode == RenderMode.WireFrame || _mode == RenderMode.Hitboxes)
{
foreach(GameObject obj in objects){
//Draw the object with texture
obj.Draw(gl);
//Unbind texture so we can draw lines
gl.BindTexture(OpenGL.GL_TEXTURE_2D, 0);
if ( _mode == RenderMode.Hitboxes)
{
obj.DrawVelocity(gl);
DrawCircle(gl, obj.GetPosition().x,obj.GetPosition().y, obj.GetPhysSize());
}
else
{
obj.DrawWireFrame(gl);
}
}
}
else
{
foreach ( GameObject obj in objects )
{
//Draw the object with texture
obj.Draw(gl);
}
}
//Unbind texture
gl.BindTexture(OpenGL.GL_TEXTURE_2D, 0);
}
public static void AddGameObject(GameObject obj)
{
toAdd.Add(obj);
}
public virtual bool OnColision(GameObject col, float inpact)
{
return true;
}