diff options
author | chai <chaifix@163.com> | 2021-12-13 00:07:19 +0800 |
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committer | chai <chaifix@163.com> | 2021-12-13 00:07:19 +0800 |
commit | 60cbbdec07ab7a5636eac5b3c024ae44e937f4d4 (patch) | |
tree | b2c7b0a868f18159dbc43d8954e1bd7668549a88 /Client/ThirdParty/Box2D/include/box2d/b2_draw.h |
+init
Diffstat (limited to 'Client/ThirdParty/Box2D/include/box2d/b2_draw.h')
-rw-r--r-- | Client/ThirdParty/Box2D/include/box2d/b2_draw.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Client/ThirdParty/Box2D/include/box2d/b2_draw.h b/Client/ThirdParty/Box2D/include/box2d/b2_draw.h new file mode 100644 index 0000000..a4d1711 --- /dev/null +++ b/Client/ThirdParty/Box2D/include/box2d/b2_draw.h @@ -0,0 +1,102 @@ +// MIT License + +// Copyright (c) 2019 Erin Catto + +// 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. + +#ifndef B2_DRAW_H +#define B2_DRAW_H + +#include "b2_api.h" +#include "b2_math.h" + +/// Color for debug drawing. Each value has the range [0,1]. +struct B2_API b2Color +{ + b2Color() {} + b2Color(float rIn, float gIn, float bIn, float aIn = 1.0f) + { + r = rIn; g = gIn; b = bIn; a = aIn; + } + + void Set(float rIn, float gIn, float bIn, float aIn = 1.0f) + { + r = rIn; g = gIn; b = bIn; a = aIn; + } + + float r, g, b, a; +}; + +/// Implement and register this class with a b2World to provide debug drawing of physics +/// entities in your game. +class B2_API b2Draw +{ +public: + b2Draw(); + + virtual ~b2Draw() {} + + enum + { + e_shapeBit = 0x0001, ///< draw shapes + e_jointBit = 0x0002, ///< draw joint connections + e_aabbBit = 0x0004, ///< draw axis aligned bounding boxes + e_pairBit = 0x0008, ///< draw broad-phase pairs + e_centerOfMassBit = 0x0010 ///< draw center of mass frame + }; + + /// Set the drawing flags. + void SetFlags(uint32 flags); + + /// Get the drawing flags. + uint32 GetFlags() const; + + /// Append flags to the current flags. + void AppendFlags(uint32 flags); + + /// Clear flags from the current flags. + void ClearFlags(uint32 flags); + + /// Draw a closed polygon provided in CCW order. + virtual void DrawPolygon(const b2Vec2* vertices, int32 vertexCount, const b2Color& color) = 0; + + /// Draw a solid closed polygon provided in CCW order. + virtual void DrawSolidPolygon(const b2Vec2* vertices, int32 vertexCount, const b2Color& color) = 0; + + /// Draw a circle. + virtual void DrawCircle(const b2Vec2& center, float radius, const b2Color& color) = 0; + + /// Draw a solid circle. + virtual void DrawSolidCircle(const b2Vec2& center, float radius, const b2Vec2& axis, const b2Color& color) = 0; + + /// Draw a line segment. + virtual void DrawSegment(const b2Vec2& p1, const b2Vec2& p2, const b2Color& color) = 0; + + /// Draw a transform. Choose your own length scale. + /// @param xf a transform. + virtual void DrawTransform(const b2Transform& xf) = 0; + + /// Draw a point. + virtual void DrawPoint(const b2Vec2& p, float size, const b2Color& color) = 0; + +protected: + uint32 m_drawFlags; +}; + +#endif |