diff options
author | chai <chaifix@163.com> | 2021-12-13 00:07:19 +0800 |
---|---|---|
committer | chai <chaifix@163.com> | 2021-12-13 00:07:19 +0800 |
commit | 60cbbdec07ab7a5636eac5b3c024ae44e937f4d4 (patch) | |
tree | b2c7b0a868f18159dbc43d8954e1bd7668549a88 /Client/ThirdParty/Box2D/testbed/tests/polygon_collision.cpp |
+init
Diffstat (limited to 'Client/ThirdParty/Box2D/testbed/tests/polygon_collision.cpp')
-rw-r--r-- | Client/ThirdParty/Box2D/testbed/tests/polygon_collision.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/Client/ThirdParty/Box2D/testbed/tests/polygon_collision.cpp b/Client/ThirdParty/Box2D/testbed/tests/polygon_collision.cpp new file mode 100644 index 0000000..e55f133 --- /dev/null +++ b/Client/ThirdParty/Box2D/testbed/tests/polygon_collision.cpp @@ -0,0 +1,127 @@ +// 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. + +#include "test.h" + +class PolygonCollision : public Test +{ +public: + PolygonCollision() + { + { + m_polygonA.SetAsBox(0.2f, 0.4f); + m_transformA.Set(b2Vec2(0.0f, 0.0f), 0.0f); + } + + { + m_polygonB.SetAsBox(0.5f, 0.5f); + m_positionB.Set(19.345284f, 1.5632932f); + m_angleB = 1.9160721f; + m_transformB.Set(m_positionB, m_angleB); + } + } + + static Test* Create() + { + return new PolygonCollision; + } + + void Step(Settings& settings) override + { + B2_NOT_USED(settings); + + b2Manifold manifold; + b2CollidePolygons(&manifold, &m_polygonA, m_transformA, &m_polygonB, m_transformB); + + b2WorldManifold worldManifold; + worldManifold.Initialize(&manifold, m_transformA, m_polygonA.m_radius, m_transformB, m_polygonB.m_radius); + + g_debugDraw.DrawString(5, m_textLine, "point count = %d", manifold.pointCount); + m_textLine += m_textIncrement; + + { + b2Color color(0.9f, 0.9f, 0.9f); + b2Vec2 v[b2_maxPolygonVertices]; + for (int32 i = 0; i < m_polygonA.m_count; ++i) + { + v[i] = b2Mul(m_transformA, m_polygonA.m_vertices[i]); + } + g_debugDraw.DrawPolygon(v, m_polygonA.m_count, color); + + for (int32 i = 0; i < m_polygonB.m_count; ++i) + { + v[i] = b2Mul(m_transformB, m_polygonB.m_vertices[i]); + } + g_debugDraw.DrawPolygon(v, m_polygonB.m_count, color); + } + + for (int32 i = 0; i < manifold.pointCount; ++i) + { + g_debugDraw.DrawPoint(worldManifold.points[i], 4.0f, b2Color(0.9f, 0.3f, 0.3f)); + } + + Test::Step(settings); + } + + void Keyboard(int key) override + { + switch (key) + { + case GLFW_KEY_A: + m_positionB.x -= 0.1f; + break; + + case GLFW_KEY_D: + m_positionB.x += 0.1f; + break; + + case GLFW_KEY_S: + m_positionB.y -= 0.1f; + break; + + case GLFW_KEY_W: + m_positionB.y += 0.1f; + break; + + case GLFW_KEY_Q: + m_angleB += 0.1f * b2_pi; + break; + + case GLFW_KEY_E: + m_angleB -= 0.1f * b2_pi; + break; + } + + m_transformB.Set(m_positionB, m_angleB); + } + + b2PolygonShape m_polygonA; + b2PolygonShape m_polygonB; + + b2Transform m_transformA; + b2Transform m_transformB; + + b2Vec2 m_positionB; + float m_angleB; +}; + +static int testIndex = RegisterTest("Geometry", "Polygon Collision", PolygonCollision::Create); |