diff options
Diffstat (limited to 'Client/ThirdParty/Box2D/testbed/tests/web.cpp')
| -rw-r--r-- | Client/ThirdParty/Box2D/testbed/tests/web.cpp | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/Client/ThirdParty/Box2D/testbed/tests/web.cpp b/Client/ThirdParty/Box2D/testbed/tests/web.cpp new file mode 100644 index 0000000..aefa46a --- /dev/null +++ b/Client/ThirdParty/Box2D/testbed/tests/web.cpp @@ -0,0 +1,218 @@ +// 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" + +// Test distance joints, body destruction, and joint destruction. +class Web : public Test +{ +public: + Web() + { + b2Body* ground = NULL; + { + b2BodyDef bd; + ground = m_world->CreateBody(&bd); + + b2EdgeShape shape; + shape.SetTwoSided(b2Vec2(-40.0f, 0.0f), b2Vec2(40.0f, 0.0f)); + ground->CreateFixture(&shape, 0.0f); + } + + { + b2PolygonShape shape; + shape.SetAsBox(0.5f, 0.5f); + + b2BodyDef bd; + bd.type = b2_dynamicBody; + + bd.position.Set(-5.0f, 5.0f); + m_bodies[0] = m_world->CreateBody(&bd); + m_bodies[0]->CreateFixture(&shape, 5.0f); + + bd.position.Set(5.0f, 5.0f); + m_bodies[1] = m_world->CreateBody(&bd); + m_bodies[1]->CreateFixture(&shape, 5.0f); + + bd.position.Set(5.0f, 15.0f); + m_bodies[2] = m_world->CreateBody(&bd); + m_bodies[2]->CreateFixture(&shape, 5.0f); + + bd.position.Set(-5.0f, 15.0f); + m_bodies[3] = m_world->CreateBody(&bd); + m_bodies[3]->CreateFixture(&shape, 5.0f); + + b2DistanceJointDef jd; + b2Vec2 p1, p2, d; + + float frequencyHz = 2.0f; + float dampingRatio = 0.0f; + + jd.bodyA = ground; + jd.bodyB = m_bodies[0]; + jd.localAnchorA.Set(-10.0f, 0.0f); + jd.localAnchorB.Set(-0.5f, -0.5f); + p1 = jd.bodyA->GetWorldPoint(jd.localAnchorA); + p2 = jd.bodyB->GetWorldPoint(jd.localAnchorB); + d = p2 - p1; + jd.length = d.Length(); + b2LinearStiffness(jd.stiffness, jd.damping, frequencyHz, dampingRatio, jd.bodyA, jd.bodyB); + m_joints[0] = m_world->CreateJoint(&jd); + + jd.bodyA = ground; + jd.bodyB = m_bodies[1]; + jd.localAnchorA.Set(10.0f, 0.0f); + jd.localAnchorB.Set(0.5f, -0.5f); + p1 = jd.bodyA->GetWorldPoint(jd.localAnchorA); + p2 = jd.bodyB->GetWorldPoint(jd.localAnchorB); + d = p2 - p1; + jd.length = d.Length(); + b2LinearStiffness(jd.stiffness, jd.damping, frequencyHz, dampingRatio, jd.bodyA, jd.bodyB); + m_joints[1] = m_world->CreateJoint(&jd); + + jd.bodyA = ground; + jd.bodyB = m_bodies[2]; + jd.localAnchorA.Set(10.0f, 20.0f); + jd.localAnchorB.Set(0.5f, 0.5f); + p1 = jd.bodyA->GetWorldPoint(jd.localAnchorA); + p2 = jd.bodyB->GetWorldPoint(jd.localAnchorB); + d = p2 - p1; + jd.length = d.Length(); + b2LinearStiffness(jd.stiffness, jd.damping, frequencyHz, dampingRatio, jd.bodyA, jd.bodyB); + m_joints[2] = m_world->CreateJoint(&jd); + + jd.bodyA = ground; + jd.bodyB = m_bodies[3]; + jd.localAnchorA.Set(-10.0f, 20.0f); + jd.localAnchorB.Set(-0.5f, 0.5f); + p1 = jd.bodyA->GetWorldPoint(jd.localAnchorA); + p2 = jd.bodyB->GetWorldPoint(jd.localAnchorB); + d = p2 - p1; + jd.length = d.Length(); + b2LinearStiffness(jd.stiffness, jd.damping, frequencyHz, dampingRatio, jd.bodyA, jd.bodyB); + m_joints[3] = m_world->CreateJoint(&jd); + + jd.bodyA = m_bodies[0]; + jd.bodyB = m_bodies[1]; + jd.localAnchorA.Set(0.5f, 0.0f); + jd.localAnchorB.Set(-0.5f, 0.0f);; + p1 = jd.bodyA->GetWorldPoint(jd.localAnchorA); + p2 = jd.bodyB->GetWorldPoint(jd.localAnchorB); + d = p2 - p1; + jd.length = d.Length(); + b2LinearStiffness(jd.stiffness, jd.damping, frequencyHz, dampingRatio, jd.bodyA, jd.bodyB); + m_joints[4] = m_world->CreateJoint(&jd); + + jd.bodyA = m_bodies[1]; + jd.bodyB = m_bodies[2]; + jd.localAnchorA.Set(0.0f, 0.5f); + jd.localAnchorB.Set(0.0f, -0.5f); + p1 = jd.bodyA->GetWorldPoint(jd.localAnchorA); + p2 = jd.bodyB->GetWorldPoint(jd.localAnchorB); + d = p2 - p1; + jd.length = d.Length(); + b2LinearStiffness(jd.stiffness, jd.damping, frequencyHz, dampingRatio, jd.bodyA, jd.bodyB); + m_joints[5] = m_world->CreateJoint(&jd); + + jd.bodyA = m_bodies[2]; + jd.bodyB = m_bodies[3]; + jd.localAnchorA.Set(-0.5f, 0.0f); + jd.localAnchorB.Set(0.5f, 0.0f); + p1 = jd.bodyA->GetWorldPoint(jd.localAnchorA); + p2 = jd.bodyB->GetWorldPoint(jd.localAnchorB); + d = p2 - p1; + jd.length = d.Length(); + b2LinearStiffness(jd.stiffness, jd.damping, frequencyHz, dampingRatio, jd.bodyA, jd.bodyB); + m_joints[6] = m_world->CreateJoint(&jd); + + jd.bodyA = m_bodies[3]; + jd.bodyB = m_bodies[0]; + jd.localAnchorA.Set(0.0f, -0.5f); + jd.localAnchorB.Set(0.0f, 0.5f); + p1 = jd.bodyA->GetWorldPoint(jd.localAnchorA); + p2 = jd.bodyB->GetWorldPoint(jd.localAnchorB); + d = p2 - p1; + jd.length = d.Length(); + b2LinearStiffness(jd.stiffness, jd.damping, frequencyHz, dampingRatio, jd.bodyA, jd.bodyB); + m_joints[7] = m_world->CreateJoint(&jd); + } + } + + void Keyboard(int key) override + { + switch (key) + { + case GLFW_KEY_B: + for (int32 i = 0; i < 4; ++i) + { + if (m_bodies[i]) + { + m_world->DestroyBody(m_bodies[i]); + m_bodies[i] = NULL; + break; + } + } + break; + + case GLFW_KEY_J: + for (int32 i = 0; i < 8; ++i) + { + if (m_joints[i]) + { + m_world->DestroyJoint(m_joints[i]); + m_joints[i] = NULL; + break; + } + } + break; + } + } + + void Step(Settings& settings) override + { + Test::Step(settings); + g_debugDraw.DrawString(5, m_textLine, "Press: (b) to delete a body, (j) to delete a joint"); + m_textLine += m_textIncrement; + } + + void JointDestroyed(b2Joint* joint) override + { + for (int32 i = 0; i < 8; ++i) + { + if (m_joints[i] == joint) + { + m_joints[i] = NULL; + break; + } + } + } + + static Test* Create() + { + return new Web; + } + + b2Body* m_bodies[4]; + b2Joint* m_joints[8]; +}; + +static int testIndex = RegisterTest("Examples", "Web", Web::Create); |