added collision engine, more or less stole gameplay from sdl-test7

[sdl-test8.git] / src / shape / Circle.h

diff --git a/src/shape/Circle.h b/src/shape/Circle.h
new file mode 100644 (file)
index 0000000..ff0363d
--- /dev/null
+++ b/src/shape/Circle.h
@@ -0,0 +1,52 @@
+/*
+ * Circle.h
+ *
+ *  Created on: Apr 29, 2012
+ *      Author: holy
+ */
+
+#ifndef SHAPE_CIRCLE_H_
+#define SHAPE_CIRCLE_H_
+
+#include "Shape.h"
+
+namespace shape {
+
+class Circle
+: public Shape {
+
+       public:
+               Circle(void) { };
+               explicit Circle(Scalar r, Vector pos = Vector()) : center(pos), radius(r) { };
+               virtual ~Circle(void) { };
+
+       public:
+               const Vector &Center(void) const { return center; };
+               Scalar Radius(void) const { return radius; };
+
+               Scalar Left(void) const { return center.X() - radius; };
+               Scalar Top(void) const { return center.Y() - radius; };
+               Scalar Right(void) const { return center.X() + radius; };
+               Scalar Bottom(void) const { return center.Y() + radius; };
+
+       public:
+               virtual void Translate(const Vector &delta);
+               virtual void Rotate(Scalar delta);
+
+       public:
+               virtual bool CheckCollision(const Shape &, Ray &) const;
+               virtual bool CheckCollision(const AABB &, Ray &) const;
+               virtual bool CheckCollision(const Circle &, Ray &) const;
+
+       public:
+               virtual std::ostream &Write(std::ostream &) const;
+
+       private:
+               Vector center;
+               Scalar radius;
+
+};
+
+}
+
+#endif /* SHAPE_CIRCLE_H_ */