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Diffstat (limited to 'Client/ThirdParty/Box2D/testbed/draw.h')
-rw-r--r-- | Client/ThirdParty/Box2D/testbed/draw.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Client/ThirdParty/Box2D/testbed/draw.h b/Client/ThirdParty/Box2D/testbed/draw.h new file mode 100644 index 0000000..45ef234 --- /dev/null +++ b/Client/ThirdParty/Box2D/testbed/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 DRAW_H +#define DRAW_H + +#define GLFW_INCLUDE_NONE +#include "glad/gl.h" +#include "GLFW/glfw3.h" + +#include "box2d/box2d.h" + +struct b2AABB; +struct GLRenderPoints; +struct GLRenderLines; +struct GLRenderTriangles; +struct GLFWwindow; + +// +struct Camera +{ + Camera() + { + m_center.Set(0.0f, 20.0f); + m_zoom = 1.0f; + m_width = 1280; + m_height = 800; + } + + b2Vec2 ConvertScreenToWorld(const b2Vec2& screenPoint); + b2Vec2 ConvertWorldToScreen(const b2Vec2& worldPoint); + void BuildProjectionMatrix(float* m, float zBias); + + b2Vec2 m_center; + float m_zoom; + int32 m_width; + int32 m_height; +}; + +// This class implements debug drawing callbacks that are invoked +// inside b2World::Step. +class DebugDraw : public b2Draw +{ +public: + DebugDraw(); + ~DebugDraw(); + + void Create(); + void Destroy(); + + void DrawPolygon(const b2Vec2* vertices, int32 vertexCount, const b2Color& color) override; + + void DrawSolidPolygon(const b2Vec2* vertices, int32 vertexCount, const b2Color& color) override; + + void DrawCircle(const b2Vec2& center, float radius, const b2Color& color) override; + + void DrawSolidCircle(const b2Vec2& center, float radius, const b2Vec2& axis, const b2Color& color) override; + + void DrawSegment(const b2Vec2& p1, const b2Vec2& p2, const b2Color& color) override; + + void DrawTransform(const b2Transform& xf) override; + + void DrawPoint(const b2Vec2& p, float size, const b2Color& color) override; + + void DrawString(int x, int y, const char* string, ...); + + void DrawString(const b2Vec2& p, const char* string, ...); + + void DrawAABB(b2AABB* aabb, const b2Color& color); + + void Flush(); + + bool m_showUI; + GLRenderPoints* m_points; + GLRenderLines* m_lines; + GLRenderTriangles* m_triangles; +}; + +extern DebugDraw g_debugDraw; +extern Camera g_camera; +extern GLFWwindow* g_mainWindow; + +#endif |