Split sdlpp into smaller files

sdlpp/sdlpp_circlecolider.hpp

@@ -0,0 +1,34 @@
+#ifndef SDLPP_HPP_CIRCLE
+#define SDLPP_HPP_CIRCLE
+
+#include <vector>
+
+#include "sdlpp_common.hpp"
+#include "sdlpp_collision.hpp"
+
+namespace SDLPP {
+class CircleColider : public CollisionPolygon {
+public:
+    CircleColider( double x, double y, double rad );
+    virtual ~CircleColider() {}
+
+    virtual bool colidesWith( const CollisionPolygon &other ) const override;
+    virtual bool isCircle() const override;
+    virtual int topmost() const override;
+    virtual int bottommost() const override;
+    virtual int leftmost() const override;
+    virtual int rightmost() const override;
+
+    virtual void updateCollision( int x, int y, int w, int h ) override;
+    virtual void
+    render( Renderer &renderer,
+            const std::tuple< int, int, int, int > &color ) override;
+    virtual void render( Renderer &renderer ) override;
+
+private:
+    int getRadius() const;
+    double original_rad;
+    int rad_;
+};
+} // namespace SDLPP
+#endif