Restore pixel perfect camera code.

src/dawn/component/display/Camera.cpp

@@ -56,6 +56,20 @@ float_t Camera::getAspect() {
   return rt->getWidth() / rt->getHeight();
 }
 
+float_t Camera::lookAtPixelPerfect(
+  const glm::vec3 &position,
+  const glm::vec3 &look,
+  const float_t &scale
+) {
+  return this->getItem()->lookAtPixelPerfect(
+    position,
+    look,
+    this->getRenderTarget()->getHeight(),
+    this->fov,
+    scale
+  );
+}
+
 void Camera::setRenderTarget(std::shared_ptr<RenderTarget> renderTarget) {
   onResizeListener();
   this->renderTarget = renderTarget;

src/dawn/component/display/Camera.hpp

@@ -57,6 +57,20 @@ namespace Dawn {
        */
       glm::mat4 getProjection();
 
+      /**
+       * Shorthand for getItem()->lookAtPixelPerfect()
+       * 
+       * @param position Position to look from.
+       * @param look Position to look at.
+       * @param scale Scale to use. At scale 1 then the centerest pixel is 1:1.
+       * @return The Z distance that was calculated.
+       */
+      float_t lookAtPixelPerfect(
+        const glm::vec3 &position,
+        const glm::vec3 &look,
+        const float_t &scale = 1.0f
+      );
+
       /**
        * Sets the render target for this camera.
        *