/* Copyright (c) 2012 Scott Lembcke and Howling Moon Software * Copyright (c) 2012 cocos2d-x.org * Copyright (c) 2013-2016 Chukong Technologies Inc. * Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ /* * Code copied & pasted from SpacePatrol game https://github.com/slembcke/SpacePatrol * * Renamed and added some changes for cocos2d * */ #ifndef __CCDRAWNODES_CCDRAW_NODE_H__ #define __CCDRAWNODES_CCDRAW_NODE_H__ #include "2d/CCNode.h" #include "base/ccTypes.h" #include "renderer/CCCustomCommand.h" #include "math/CCMath.h" NS_CC_BEGIN static const int DEFAULT_LINE_WIDTH = 2; class PointArray; /** * @addtogroup _2d * @{ */ /** @class DrawNode * @brief Node that draws dots, segments and polygons. * Faster than the "drawing primitives" since they draws everything in one single batch. * @since v2.1 */ class CC_DLL DrawNode : public Node { public: /** creates and initialize a DrawNode node. * * @return Return an autorelease object. */ static DrawNode* create(GLfloat defaultLineWidth = DEFAULT_LINE_WIDTH); /** Draw a point. * * @param point A Vec2 used to point. * @param pointSize The point size. * @param color The point color. * @js NA */ void drawPoint(const Vec2& point, const float pointSize, const Color4F &color); /** Draw a group point. * * @param position A Vec2 pointer. * @param numberOfPoints The number of points. * @param color The point color. * @js NA */ void drawPoints(const Vec2 *position, unsigned int numberOfPoints, const Color4F &color); /** Draw a group point. * * @param position A Vec2 pointer. * @param numberOfPoints The number of points. * @param pointSize The point size. * @param color The point color. * @js NA */ void drawPoints(const Vec2 *position, unsigned int numberOfPoints, const float pointSize, const Color4F &color); /** Draw an line from origin to destination with color. * * @param origin The line origin. * @param destination The line destination. * @param color The line color. * @js NA */ void drawLine(const Vec2 &origin, const Vec2 &destination, const Color4F &color); /** Draws a rectangle given the origin and destination point measured in points. * The origin and the destination can not have the same x and y coordinate. * * @param origin The rectangle origin. * @param destination The rectangle destination. * @param color The rectangle color. */ void drawRect(const Vec2 &origin, const Vec2 &destination, const Color4F &color); /** Draws a polygon given a pointer to point coordinates and the number of vertices measured in points. * The polygon can be closed or open. * * @param poli A pointer to point coordinates. * @param numberOfPoints The number of vertices measured in points. * @param closePolygon The polygon can be closed or open. * @param color The polygon color. */ void drawPoly(const Vec2 *poli, unsigned int numberOfPoints, bool closePolygon, const Color4F &color); /** Draws a circle given the center, radius and number of segments. * * @param center The circle center point. * @param radius The circle rotate of radius. * @param angle The circle angle. * @param segments The number of segments. * @param drawLineToCenter Whether or not draw the line from the origin to center. * @param scaleX The scale value in x. * @param scaleY The scale value in y. * @param color Set the circle color. */ void drawCircle( const Vec2& center, float radius, float angle, unsigned int segments, bool drawLineToCenter, float scaleX, float scaleY, const Color4F &color); /** Draws a circle given the center, radius and number of segments. * * @param center The circle center point. * @param radius The circle rotate of radius. * @param angle The circle angle. * @param segments The number of segments. * @param drawLineToCenter Whether or not draw the line from the origin to center. * @param color Set the circle color. */ void drawCircle(const Vec2 ¢er, float radius, float angle, unsigned int segments, bool drawLineToCenter, const Color4F &color); /** Draws a quad bezier path. * * @param origin The origin of the bezier path. * @param control The control of the bezier path. * @param destination The destination of the bezier path. * @param segments The number of segments. * @param color Set the quad bezier color. */ void drawQuadBezier(const Vec2 &origin, const Vec2 &control, const Vec2 &destination, unsigned int segments, const Color4F &color); /** Draw a cubic bezier curve with color and number of segments * * @param origin The origin of the bezier path. * @param control1 The first control of the bezier path. * @param control2 The second control of the bezier path. * @param destination The destination of the bezier path. * @param segments The number of segments. * @param color Set the cubic bezier color. */ void drawCubicBezier(const Vec2 &origin, const Vec2 &control1, const Vec2 &control2, const Vec2 &destination, unsigned int segments, const Color4F &color); /** Draws a Cardinal Spline path. * * @param config A array point. * @param tension The tension of the spline. * @param segments The number of segments. * @param color Set the Spline color. */ void drawCardinalSpline(PointArray *config, float tension, unsigned int segments, const Color4F &color); /** Draws a Catmull Rom path. * * @param points A point array of control point. * @param segments The number of segments. * @param color The Catmull Rom color. */ void drawCatmullRom(PointArray *points, unsigned int segments, const Color4F &color); /** draw a dot at a position, with a given radius and color. * * @param pos The dot center. * @param radius The dot radius. * @param color The dot color. */ void drawDot(const Vec2 &pos, float radius, const Color4F &color); /** Draws a rectangle with 4 points. * * @param p1 The rectangle vertex point. * @param p2 The rectangle vertex point. * @param p3 The rectangle vertex point. * @param p4 The rectangle vertex point. * @param color The rectangle color. */ void drawRect(const Vec2 &p1, const Vec2 &p2, const Vec2 &p3, const Vec2& p4, const Color4F &color); /** Draws a solid rectangle given the origin and destination point measured in points. * The origin and the destination can not have the same x and y coordinate. * * @param origin The rectangle origin. * @param destination The rectangle destination. * @param color The rectangle color. * @js NA */ void drawSolidRect(const Vec2 &origin, const Vec2 &destination, const Color4F &color); /** Draws a solid polygon given a pointer to CGPoint coordinates, the number of vertices measured in points, and a color. * * @param poli A solid polygon given a pointer to CGPoint coordinates. * @param numberOfPoints The number of vertices measured in points. * @param color The solid polygon color. * @js NA */ void drawSolidPoly(const Vec2 *poli, unsigned int numberOfPoints, const Color4F &color); /** Draws a solid circle given the center, radius and number of segments. * @param center The circle center point. * @param radius The circle rotate of radius. * @param angle The circle angle. * @param segments The number of segments. * @param scaleX The scale value in x. * @param scaleY The scale value in y. * @param color The solid circle color. * @js NA */ void drawSolidCircle(const Vec2& center, float radius, float angle, unsigned int segments, float scaleX, float scaleY, const Color4F &color); /** Draws a solid circle given the center, radius and number of segments. * @param center The circle center point. * @param radius The circle rotate of radius. * @param angle The circle angle. * @param segments The number of segments. * @param color The solid circle color. * @js NA */ void drawSolidCircle(const Vec2& center, float radius, float angle, unsigned int segments, const Color4F& color); /** draw a segment with a radius and color. * * @param from The segment origin. * @param to The segment destination. * @param radius The segment radius. * @param color The segment color. */ void drawSegment(const Vec2 &from, const Vec2 &to, float radius, const Color4F &color); /** draw a polygon with a fill color and line color * @code * When this function bound into js or lua,the parameter will be changed * In js: var drawPolygon(var Arrayofpoints, var fillColor, var width, var borderColor) * In lua:local drawPolygon(local pointTable,local tableCount,local fillColor,local width,local borderColor) * @endcode * @param verts A pointer to point coordinates. * @param count The number of verts measured in points. * @param fillColor The color will fill in polygon. * @param borderWidth The border of line width. * @param borderColor The border of line color. * @js NA */ void drawPolygon(const Vec2 *verts, int count, const Color4F &fillColor, float borderWidth, const Color4F &borderColor); /** draw a triangle with color. * * @param p1 The triangle vertex point. * @param p2 The triangle vertex point. * @param p3 The triangle vertex point. * @param color The triangle color. * @js NA */ void drawTriangle(const Vec2 &p1, const Vec2 &p2, const Vec2 &p3, const Color4F &color); /** draw a quadratic bezier curve with color and number of segments, use drawQuadBezier instead. * * @param from The origin of the bezier path. * @param control The control of the bezier path. * @param to The destination of the bezier path. * @param segments The number of segments. * @param color The quadratic bezier color. * @js NA */ CC_DEPRECATED_ATTRIBUTE void drawQuadraticBezier(const Vec2& from, const Vec2& control, const Vec2& to, unsigned int segments, const Color4F &color); /** Clear the geometry in the node's buffer. */ void clear(); /** Get the color mixed mode. * @lua NA */ const BlendFunc& getBlendFunc() const; /** Set the color mixed mode. * @code * When this function bound into js or lua,the parameter will be changed * In js: var setBlendFunc(var src, var dst) * @endcode * @lua NA */ void setBlendFunc(const BlendFunc &blendFunc); /** * @js NA */ virtual void onDraw(const Mat4 &transform, uint32_t flags); /** * @js NA */ virtual void onDrawGLLine(const Mat4 &transform, uint32_t flags); /** * @js NA */ virtual void onDrawGLPoint(const Mat4 &transform, uint32_t flags); // Overrides virtual void draw(Renderer *renderer, const Mat4 &transform, uint32_t flags) override; void setLineWidth(GLfloat lineWidth); // Get CocosStudio guide lines width. GLfloat getLineWidth(); CC_CONSTRUCTOR_ACCESS: DrawNode(GLfloat lineWidth = DEFAULT_LINE_WIDTH); virtual ~DrawNode(); virtual bool init() override; protected: void ensureCapacity(int count); void ensureCapacityGLPoint(int count); void ensureCapacityGLLine(int count); GLuint _vao; GLuint _vbo; GLuint _vaoGLPoint; GLuint _vboGLPoint; GLuint _vaoGLLine; GLuint _vboGLLine; int _bufferCapacity; GLsizei _bufferCount; V2F_C4B_T2F *_buffer; int _bufferCapacityGLPoint; GLsizei _bufferCountGLPoint; V2F_C4B_T2F *_bufferGLPoint; Color4F _pointColor; int _pointSize; int _bufferCapacityGLLine; GLsizei _bufferCountGLLine; V2F_C4B_T2F *_bufferGLLine; BlendFunc _blendFunc; CustomCommand _customCommand; CustomCommand _customCommandGLPoint; CustomCommand _customCommandGLLine; bool _dirty; bool _dirtyGLPoint; bool _dirtyGLLine; GLfloat _lineWidth; GLfloat _defaultLineWidth; private: CC_DISALLOW_COPY_AND_ASSIGN(DrawNode); }; /** @} */ NS_CC_END #endif // __CCDRAWNODES_CCDRAW_NODE_H__