Irrlicht Engine

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if (cursorpos.X < 0.49f || cursorpos.X > 0.51f ||
    cursorpos.Y < 0.49f || cursorpos.Y > 0.51f)

Code: Select all

if (cursorpos.X < 0.5f || cursorpos.X > 0.5f ||
    cursorpos.Y < 0.5f || cursorpos.Y > 0.5f)

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f32 rotX[3];
f32 rotY[3];
bool firstRot;

Code: Select all

	// Update rotation

	Target.set(0,0,1);

	if (!CursorControl)
		return;

	RelativeRotation.X *= -1.0f;
	RelativeRotation.Y *= -1.0f;

	if (InputReceiverEnabled)
	{
		core::position2d<f32> cursorpos = CursorControl->getRelativePosition();
		
		if(firstRot) // it checks if it is the first time camera rotates and than fill tables with proper values
		{
      rotX[0] = rotX[1] = 0.5f - cursorpos.X;
      rotY[0] = rotY[1] = 0.5f - cursorpos.Y;
      firstRot=false;
		}
		
		rotX[2] = 0.5f - cursorpos.X; // puts values from this frame
		rotY[2] = 0.5f - cursorpos.Y;// into table

		if (cursorpos.X < 0.5 || cursorpos.X > 0.5 ||
			cursorpos.Y < 0.5 || cursorpos.Y > 0.5 )
		{
			RelativeRotation.Y += (rotX[0]+rotX[1]+rotX[2])/3 * RotateSpeed; // here we use the average value i mentioned before
			RelativeRotation.X += (rotY[0]+rotY[1]+rotY[2])/3 * RotateSpeed; // and here too ;)
			CursorControl->setPosition(0.5f, 0.5f);

			if (RelativeRotation.X > 89.0f) RelativeRotation.X = 89.0f;
			if (RelativeRotation.X < -89.0f) RelativeRotation.X = -89.0f;
		}
		
		rotX[0] = rotX[1]; // finaly we move values to make room for a new ones
		rotX[1] = rotX[2];
		
		rotY[0] = rotY[1];
		rotY[1] = rotY[2];
	}

	// set target