mirror of https://github.com/axmolengine/axmol.git
124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
// MIT License
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// Copyright (c) 2019 Erin Catto
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include "test.h"
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class PolygonCollision : public Test
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{
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public:
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PolygonCollision()
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{
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{
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m_polygonA.SetAsBox(0.2f, 0.4f);
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m_transformA.Set(b2Vec2(0.0f, 0.0f), 0.0f);
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}
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{
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m_polygonB.SetAsBox(0.5f, 0.5f);
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m_positionB.Set(19.345284f, 1.5632932f);
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m_angleB = 1.9160721f;
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m_transformB.Set(m_positionB, m_angleB);
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}
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}
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static Test* Create() { return new PolygonCollision; }
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void Step(Settings& settings) override
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{
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B2_NOT_USED(settings);
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b2Manifold manifold;
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b2CollidePolygons(&manifold, &m_polygonA, m_transformA, &m_polygonB, m_transformB);
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b2WorldManifold worldManifold;
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worldManifold.Initialize(&manifold, m_transformA, m_polygonA.m_radius, m_transformB, m_polygonB.m_radius);
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DrawString(5, m_textLine, "point count = %d", manifold.pointCount);
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{
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b2Color color(0.9f, 0.9f, 0.9f);
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b2Vec2 v[b2_maxPolygonVertices];
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for (int32 i = 0; i < m_polygonA.m_count; ++i)
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{
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v[i] = b2Mul(m_transformA, m_polygonA.m_vertices[i]);
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}
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g_debugDraw.DrawPolygon(v, m_polygonA.m_count, color);
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for (int32 i = 0; i < m_polygonB.m_count; ++i)
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{
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v[i] = b2Mul(m_transformB, m_polygonB.m_vertices[i]);
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}
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g_debugDraw.DrawPolygon(v, m_polygonB.m_count, color);
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}
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for (int32 i = 0; i < manifold.pointCount; ++i)
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{
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g_debugDraw.DrawPoint(worldManifold.points[i], 4.0f, b2Color(0.9f, 0.3f, 0.3f));
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}
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Test::Step(settings);
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}
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void Keyboard(int key) override
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{
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switch (key)
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{
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case GLFW_KEY_A:
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m_positionB.x -= 0.1f;
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break;
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case GLFW_KEY_D:
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m_positionB.x += 0.1f;
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break;
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case GLFW_KEY_S:
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m_positionB.y -= 0.1f;
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break;
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case GLFW_KEY_W:
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m_positionB.y += 0.1f;
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break;
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case GLFW_KEY_Q:
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m_angleB += 0.1f * b2_pi;
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break;
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case GLFW_KEY_E:
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m_angleB -= 0.1f * b2_pi;
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break;
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}
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m_transformB.Set(m_positionB, m_angleB);
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}
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b2PolygonShape m_polygonA;
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b2PolygonShape m_polygonB;
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b2Transform m_transformA;
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b2Transform m_transformB;
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b2Vec2 m_positionB;
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float m_angleB;
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};
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static int testIndex = RegisterTest("Geometry", "Polygon Collision", PolygonCollision::Create);
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