1 /* 2 * Copyright (c) 2006-2009 Erin Catto http://www.box2d.org 3 * 4 * This software is provided 'as-is', without any express or implied 5 * warranty. In no event will the authors be held liable for any damages 6 * arising from the use of this software. 7 * Permission is granted to anyone to use this software for any purpose, 8 * including commercial applications, and to alter it and redistribute it 9 * freely, subject to the following restrictions: 10 * 1. The origin of this software must not be misrepresented; you must not 11 * claim that you wrote the original software. If you use this software 12 * in a product, an acknowledgment in the product documentation would be 13 * appreciated but is not required. 14 * 2. Altered source versions must be plainly marked as such, and must not be 15 * misrepresented as being the original software. 16 * 3. This notice may not be removed or altered from any source distribution. 17 */ 18 19 #ifndef CONTINUOUS_TEST_H 20 #define CONTINUOUS_TEST_H 21 22 class ContinuousTest : public Test 23 { 24 public: 25 ContinuousTest()26 ContinuousTest() 27 { 28 { 29 b2BodyDef bd; 30 bd.position.Set(0.0f, 0.0f); 31 b2Body* body = m_world->CreateBody(&bd); 32 33 b2EdgeShape edge; 34 35 edge.Set(b2Vec2(-10.0f, 0.0f), b2Vec2(10.0f, 0.0f)); 36 body->CreateFixture(&edge, 0.0f); 37 38 b2PolygonShape shape; 39 shape.SetAsBox(0.2f, 1.0f, b2Vec2(0.5f, 1.0f), 0.0f); 40 body->CreateFixture(&shape, 0.0f); 41 } 42 43 #if 1 44 { 45 b2BodyDef bd; 46 bd.type = b2_dynamicBody; 47 bd.position.Set(0.0f, 20.0f); 48 //bd.angle = 0.1f; 49 50 b2PolygonShape shape; 51 shape.SetAsBox(2.0f, 0.1f); 52 53 m_body = m_world->CreateBody(&bd); 54 m_body->CreateFixture(&shape, 1.0f); 55 56 m_angularVelocity = RandomFloat(-50.0f, 50.0f); 57 //m_angularVelocity = 46.661274f; 58 m_body->SetLinearVelocity(b2Vec2(0.0f, -100.0f)); 59 m_body->SetAngularVelocity(m_angularVelocity); 60 } 61 #else 62 { 63 b2BodyDef bd; 64 bd.type = b2_dynamicBody; 65 bd.position.Set(0.0f, 2.0f); 66 b2Body* body = m_world->CreateBody(&bd); 67 68 b2CircleShape shape; 69 shape.m_p.SetZero(); 70 shape.m_radius = 0.5f; 71 body->CreateFixture(&shape, 1.0f); 72 73 bd.bullet = true; 74 bd.position.Set(0.0f, 10.0f); 75 body = m_world->CreateBody(&bd); 76 body->CreateFixture(&shape, 1.0f); 77 body->SetLinearVelocity(b2Vec2(0.0f, -100.0f)); 78 } 79 #endif 80 } 81 Launch()82 void Launch() 83 { 84 m_body->SetTransform(b2Vec2(0.0f, 20.0f), 0.0f); 85 m_angularVelocity = RandomFloat(-50.0f, 50.0f); 86 m_body->SetLinearVelocity(b2Vec2(0.0f, -100.0f)); 87 m_body->SetAngularVelocity(m_angularVelocity); 88 } 89 Step(Settings * settings)90 void Step(Settings* settings) 91 { 92 if (m_stepCount == 12) 93 { 94 m_stepCount += 0; 95 } 96 97 Test::Step(settings); 98 99 extern int32 b2_gjkCalls, b2_gjkIters, b2_gjkMaxIters; 100 101 if (b2_gjkCalls > 0) 102 { 103 m_debugDraw.DrawString(5, m_textLine, "gjk calls = %d, ave gjk iters = %3.1f, max gjk iters = %d", 104 b2_gjkCalls, b2_gjkIters / float32(b2_gjkCalls), b2_gjkMaxIters); 105 m_textLine += 15; 106 } 107 108 extern int32 b2_toiCalls, b2_toiIters; 109 extern int32 b2_toiRootIters, b2_toiMaxRootIters; 110 111 if (b2_toiCalls > 0) 112 { 113 m_debugDraw.DrawString(5, m_textLine, "toi calls = %d, ave toi iters = %3.1f, max toi iters = %d", 114 b2_toiCalls, b2_toiIters / float32(b2_toiCalls), b2_toiMaxRootIters); 115 m_textLine += 15; 116 117 m_debugDraw.DrawString(5, m_textLine, "ave toi root iters = %3.1f, max toi root iters = %d", 118 b2_toiRootIters / float32(b2_toiCalls), b2_toiMaxRootIters); 119 m_textLine += 15; 120 } 121 122 if (m_stepCount % 60 == 0) 123 { 124 //Launch(); 125 } 126 } 127 Create()128 static Test* Create() 129 { 130 return new ContinuousTest; 131 } 132 133 b2Body* m_body; 134 float32 m_angularVelocity; 135 }; 136 137 #endif 138