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Diffstat (limited to 'Client/ThirdParty/Box2D/testbed/tests/pinball.cpp')
-rw-r--r-- | Client/ThirdParty/Box2D/testbed/tests/pinball.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/Client/ThirdParty/Box2D/testbed/tests/pinball.cpp b/Client/ThirdParty/Box2D/testbed/tests/pinball.cpp new file mode 100644 index 0000000..9a9826d --- /dev/null +++ b/Client/ThirdParty/Box2D/testbed/tests/pinball.cpp @@ -0,0 +1,170 @@ +// 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" + +/// This tests bullet collision and provides an example of a gameplay scenario. +/// This also uses a loop shape. +class Pinball : public Test +{ +public: + Pinball() + { + // Ground body + b2Body* ground = NULL; + { + b2BodyDef bd; + ground = m_world->CreateBody(&bd); + + b2Vec2 vs[5]; + vs[0].Set(-8.0f, 6.0f); + vs[1].Set(-8.0f, 20.0f); + vs[2].Set(8.0f, 20.0f); + vs[3].Set(8.0f, 6.0f); + vs[4].Set(0.0f, -2.0f); + + b2ChainShape loop; + loop.CreateLoop(vs, 5); + b2FixtureDef fd; + fd.shape = &loop; + fd.density = 0.0f; + ground->CreateFixture(&fd); + } + + // Flippers + { + b2Vec2 p1(-2.0f, 0.0f), p2(2.0f, 0.0f); + + b2BodyDef bd; + bd.type = b2_dynamicBody; + + bd.position = p1; + b2Body* leftFlipper = m_world->CreateBody(&bd); + + bd.position = p2; + b2Body* rightFlipper = m_world->CreateBody(&bd); + + b2PolygonShape box; + box.SetAsBox(1.75f, 0.1f); + + b2FixtureDef fd; + fd.shape = &box; + fd.density = 1.0f; + + leftFlipper->CreateFixture(&fd); + rightFlipper->CreateFixture(&fd); + + b2RevoluteJointDef jd; + jd.bodyA = ground; + jd.localAnchorB.SetZero(); + jd.enableMotor = true; + jd.maxMotorTorque = 1000.0f; + jd.enableLimit = true; + + jd.motorSpeed = 0.0f; + jd.localAnchorA = p1; + jd.bodyB = leftFlipper; + jd.lowerAngle = -30.0f * b2_pi / 180.0f; + jd.upperAngle = 5.0f * b2_pi / 180.0f; + m_leftJoint = (b2RevoluteJoint*)m_world->CreateJoint(&jd); + + jd.motorSpeed = 0.0f; + jd.localAnchorA = p2; + jd.bodyB = rightFlipper; + jd.lowerAngle = -5.0f * b2_pi / 180.0f; + jd.upperAngle = 30.0f * b2_pi / 180.0f; + m_rightJoint = (b2RevoluteJoint*)m_world->CreateJoint(&jd); + } + + // Circle character + { + b2BodyDef bd; + bd.position.Set(1.0f, 15.0f); + bd.type = b2_dynamicBody; + bd.bullet = true; + + m_ball = m_world->CreateBody(&bd); + + b2CircleShape shape; + shape.m_radius = 0.2f; + + b2FixtureDef fd; + fd.shape = &shape; + fd.density = 1.0f; + m_ball->CreateFixture(&fd); + } + + m_button = false; + } + + void Step(Settings& settings) override + { + if (m_button) + { + m_leftJoint->SetMotorSpeed(20.0f); + m_rightJoint->SetMotorSpeed(-20.0f); + } + else + { + m_leftJoint->SetMotorSpeed(-10.0f); + m_rightJoint->SetMotorSpeed(10.0f); + } + + Test::Step(settings); + + g_debugDraw.DrawString(5, m_textLine, "Press 'a' to control the flippers"); + m_textLine += m_textIncrement; + + } + + void Keyboard(int key) override + { + switch (key) + { + case GLFW_KEY_A: + m_button = true; + break; + } + } + + void KeyboardUp(int key) override + { + switch (key) + { + case GLFW_KEY_A: + m_button = false; + break; + } + } + + static Test* Create() + { + return new Pinball; + } + + b2RevoluteJoint* m_leftJoint; + b2RevoluteJoint* m_rightJoint; + b2Body* m_ball; + bool m_button; +}; + +static int testIndex = RegisterTest("Examples", "Pinball", Pinball::Create); |