mirror of https://github.com/axmolengine/axmol.git
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
#ifndef __GPATH_H__
|
|
#define __GPATH_H__
|
|
|
|
#include "FairyGUIMacros.h"
|
|
#include "cocos2d.h"
|
|
|
|
NS_FGUI_BEGIN
|
|
|
|
struct GPathPoint
|
|
{
|
|
enum class CurveType
|
|
{
|
|
CRSpline,
|
|
Bezier,
|
|
CubicBezier,
|
|
Straight
|
|
};
|
|
|
|
ax::Vec3 pos;
|
|
ax::Vec3 control1;
|
|
ax::Vec3 control2;
|
|
CurveType curveType;
|
|
|
|
GPathPoint(const ax::Vec3& pos);
|
|
GPathPoint(const ax::Vec3& pos, const ax::Vec3& control);
|
|
GPathPoint(const ax::Vec3& pos, const ax::Vec3& control1, const ax::Vec3& control2);
|
|
GPathPoint(const ax::Vec3& pos, CurveType curveType);
|
|
};
|
|
|
|
class GPath
|
|
{
|
|
public:
|
|
GPath();
|
|
void create(GPathPoint* points, int count);
|
|
void clear();
|
|
ax::Vec3 getPointAt(float t);
|
|
|
|
float getLength() { return _fullLength; }
|
|
int getSegmentCount() { return (int)_segments.size(); }
|
|
float getSegmentLength(int segmentIndex);
|
|
void getPointsInSegment(int segmentIndex, float t0, float t1,
|
|
std::vector<ax::Vec3>& points, std::vector<float>* ts = nullptr, float pointDensity = 0.1f);
|
|
void getAllPoints(std::vector<ax::Vec3>& points, float pointDensity = 0.1f);
|
|
|
|
struct Segment
|
|
{
|
|
GPathPoint::CurveType type;
|
|
float length;
|
|
int ptStart;
|
|
int ptCount;
|
|
};
|
|
|
|
private:
|
|
void createSplineSegment();
|
|
ax::Vec3 onCRSplineCurve(int ptStart, int ptCount, float t);
|
|
ax::Vec3 onBezierCurve(int ptStart, int ptCount, float t);
|
|
|
|
std::vector<Segment> _segments;
|
|
std::vector<ax::Vec3> _points;
|
|
float _fullLength;
|
|
};
|
|
|
|
NS_FGUI_END
|
|
|
|
#endif
|