fixed cam distance

src/render/Renderer.cpp

@@ -88,6 +88,7 @@ void Renderer::Resize(int width, int height) {
 
 void Renderer::SetZoom(float zoom) {
 	m_Camera.CamPos.y = std::max(1.0f, m_Camera.CamPos.y - zoom);
+	m_Camera.CamDistance = std::max(1.0f, m_Camera.CamDistance - zoom);
 	SetCamLook(m_Camera.CamLook);
 }
 
@@ -116,6 +117,8 @@ void Renderer::SetCamPos(const Vec3f& newPos) {
 }
 
 void Renderer::SetCamLook(const Vec2f& worldPos) {
+	static const float WORLD_HEIGHT = 0;
+
 	m_Camera.CamLook = worldPos;
 
 	Vec3f front = {
@@ -124,11 +127,11 @@ void Renderer::SetCamLook(const Vec2f& worldPos) {
 		std::sin(m_Camera.m_Yaw) * std::cos(m_Camera.m_Pitch)
 	};
 
-	static const float WORLD_HEIGHT = 0;
-
-	float lambda = (m_Camera.CamPos.y - WORLD_HEIGHT) / front.y;
-
-	SetCamPos({lambda * front.x + m_Camera.CamLook.x, m_Camera.CamPos.y, lambda * front.z + m_Camera.CamLook.y});
+	SetCamPos({
+		-m_Camera.CamDistance * front.x + m_Camera.CamLook.x, 
+		-m_Camera.CamDistance * front.y + WORLD_HEIGHT, 
+		-m_Camera.CamDistance * front.z + m_Camera.CamLook.y
+	});
 }
 
 Vec2f Renderer::GetCursorWorldPos(const Vec2f& cursorPos, float windowWidth, float windowHeight) {