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#ifndef GEOMETRY_H
#define GEOMETRY_H
struct vec2
{
float x, y;
void set(float _x, float _y) {
x = _x;
y = _y;
}
};
class RectF
{
public:
RectF(float, float, float, float);
RectF(const RectF &);
RectF(const vec2 &, const vec2 &);
float x() const { return m_x; }
float y() const { return m_y; }
float width() const { return m_width; }
float height() const { return m_height; }
bool contains(float x, float y) const;
bool contains(const vec2 &) const;
bool intersects(const RectF &) const;
private:
float m_x, m_y, m_width, m_height;
};
class Geometry
{
public:
Geometry();
int vertexCount() const;
vec2 *vertexDataAsPoint2D();
private:
};
// Circle
int calculateCircleVertexCount(float radius);
void updateCircleGeometry(Geometry *geometry, float radius, float cx, float cy);
// Rect
void updateRectGeometry(Geometry *geometry, float x, float y, float w, float h);
// Crosshair
void updateCrossHairGeometry(Geometry *geometry,
float x,
float y,
float thickness,
float length);
#endif // GEOMETRY_H
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