Function MouseMotionFunc

demo/main.cpp:2531–2547

}

void MouseMotionFunc(unsigned state, int x, int y)
{
	float dx = float(x - g_lastx);
	float dy = float(y - g_lasty);

	g_lastx = x;
	g_lasty = y;

	if (state & SDL_BUTTON_RMASK)
	{
		const float kSensitivity = DegToRad(0.1f);
		const float kMaxDelta = FLT_MAX;

		g_camAngle.x -= Clamp(dx*kSensitivity, -kMaxDelta, kMaxDelta);
		g_camAngle.y -= Clamp(dy*kSensitivity, -kMaxDelta, kMaxDelta);
	}
}

bool g_Error = false;