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authorchai <chaifix@163.com>2021-12-13 00:07:19 +0800
committerchai <chaifix@163.com>2021-12-13 00:07:19 +0800
commit60cbbdec07ab7a5636eac5b3c024ae44e937f4d4 (patch)
treeb2c7b0a868f18159dbc43d8954e1bd7668549a88 /Client/ThirdParty/Box2D/testbed/tests/edge_test.cpp
+init
Diffstat (limited to 'Client/ThirdParty/Box2D/testbed/tests/edge_test.cpp')
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1 files changed, 282 insertions, 0 deletions
diff --git a/Client/ThirdParty/Box2D/testbed/tests/edge_test.cpp b/Client/ThirdParty/Box2D/testbed/tests/edge_test.cpp
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+++ b/Client/ThirdParty/Box2D/testbed/tests/edge_test.cpp
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+// 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"
+#include "imgui/imgui.h"
+
+class EdgeTest : public Test
+{
+public:
+
+ EdgeTest()
+ {
+ b2Vec2 vertices[10] =
+ {
+ {10.0f, -4.0f},
+ {10.0f, 0.0f},
+ {6.0f, 0.0f},
+ {4.0f, 2.0f},
+ {2.0f, 0.0f},
+ {-2.0f, 0.0f},
+ {-6.0f, 0.0f},
+ {-8.0f, -3.0f},
+ {-10.0f, 0.0f},
+ {-10.0f, -4.0f}
+ };
+
+ m_offset1.Set(0.0f, 8.0f);
+ m_offset2.Set(0.0f, 16.0f);
+
+ {
+ b2Vec2 v1 = vertices[0] + m_offset1;
+ b2Vec2 v2 = vertices[1] + m_offset1;
+ b2Vec2 v3 = vertices[2] + m_offset1;
+ b2Vec2 v4 = vertices[3] + m_offset1;
+ b2Vec2 v5 = vertices[4] + m_offset1;
+ b2Vec2 v6 = vertices[5] + m_offset1;
+ b2Vec2 v7 = vertices[6] + m_offset1;
+ b2Vec2 v8 = vertices[7] + m_offset1;
+ b2Vec2 v9 = vertices[8] + m_offset1;
+ b2Vec2 v10 = vertices[9] + m_offset1;
+
+ b2BodyDef bd;
+ b2Body* ground = m_world->CreateBody(&bd);
+
+ b2EdgeShape shape;
+
+ shape.SetOneSided(v10, v1, v2, v3);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetOneSided(v1, v2, v3, v4);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetOneSided(v2, v3, v4, v5);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetOneSided(v3, v4, v5, v6);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetOneSided(v4, v5, v6, v7);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetOneSided(v5, v6, v7, v8);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetOneSided(v6, v7, v8, v9);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetOneSided(v7, v8, v9, v10);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetOneSided(v8, v9, v10, v1);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetOneSided(v9, v10, v1, v2);
+ ground->CreateFixture(&shape, 0.0f);
+ }
+
+ {
+ b2Vec2 v1 = vertices[0] + m_offset2;
+ b2Vec2 v2 = vertices[1] + m_offset2;
+ b2Vec2 v3 = vertices[2] + m_offset2;
+ b2Vec2 v4 = vertices[3] + m_offset2;
+ b2Vec2 v5 = vertices[4] + m_offset2;
+ b2Vec2 v6 = vertices[5] + m_offset2;
+ b2Vec2 v7 = vertices[6] + m_offset2;
+ b2Vec2 v8 = vertices[7] + m_offset2;
+ b2Vec2 v9 = vertices[8] + m_offset2;
+ b2Vec2 v10 = vertices[9] + m_offset2;
+
+ b2BodyDef bd;
+ b2Body* ground = m_world->CreateBody(&bd);
+
+ b2EdgeShape shape;
+
+ shape.SetTwoSided(v1, v2);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetTwoSided(v2, v3);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetTwoSided(v3, v4);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetTwoSided(v4, v5);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetTwoSided(v5, v6);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetTwoSided(v6, v7);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetTwoSided(v7, v8);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetTwoSided(v8, v9);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetTwoSided(v9, v10);
+ ground->CreateFixture(&shape, 0.0f);
+
+ shape.SetTwoSided(v10, v1);
+ ground->CreateFixture(&shape, 0.0f);
+ }
+
+ m_body1 = nullptr;
+ m_body2 = nullptr;
+ CreateBoxes();
+ m_boxes = true;
+ }
+
+ void CreateBoxes()
+ {
+ if (m_body1)
+ {
+ m_world->DestroyBody(m_body1);
+ m_body1 = nullptr;
+ }
+
+ if (m_body2)
+ {
+ m_world->DestroyBody(m_body2);
+ m_body2 = nullptr;
+ }
+
+ {
+ b2BodyDef bd;
+ bd.type = b2_dynamicBody;
+ bd.position = b2Vec2(8.0f, 2.6f) + m_offset1;
+ bd.allowSleep = false;
+ m_body1 = m_world->CreateBody(&bd);
+
+ b2PolygonShape shape;
+ shape.SetAsBox(0.5f, 1.0f);
+
+ m_body1->CreateFixture(&shape, 1.0f);
+ }
+
+ {
+ b2BodyDef bd;
+ bd.type = b2_dynamicBody;
+ bd.position = b2Vec2(8.0f, 2.6f) + m_offset2;
+ bd.allowSleep = false;
+ m_body2 = m_world->CreateBody(&bd);
+
+ b2PolygonShape shape;
+ shape.SetAsBox(0.5f, 1.0f);
+
+ m_body2->CreateFixture(&shape, 1.0f);
+ }
+ }
+
+ void CreateCircles()
+ {
+ if (m_body1)
+ {
+ m_world->DestroyBody(m_body1);
+ m_body1 = nullptr;
+ }
+
+ if (m_body2)
+ {
+ m_world->DestroyBody(m_body2);
+ m_body2 = nullptr;
+ }
+
+ {
+ b2BodyDef bd;
+ bd.type = b2_dynamicBody;
+ bd.position = b2Vec2(-0.5f, 0.6f) + m_offset1;
+ bd.allowSleep = false;
+ m_body1 = m_world->CreateBody(&bd);
+
+ b2CircleShape shape;
+ shape.m_radius = 0.5f;
+
+ m_body1->CreateFixture(&shape, 1.0f);
+ }
+
+ {
+ b2BodyDef bd;
+ bd.type = b2_dynamicBody;
+ bd.position = b2Vec2(-0.5f, 0.6f) + m_offset2;
+ bd.allowSleep = false;
+ m_body2 = m_world->CreateBody(&bd);
+
+ b2CircleShape shape;
+ shape.m_radius = 0.5f;
+
+ m_body2->CreateFixture(&shape, 1.0f);
+ }
+ }
+
+ void UpdateUI() override
+ {
+ ImGui::SetNextWindowPos(ImVec2(10.0f, 100.0f));
+ ImGui::SetNextWindowSize(ImVec2(200.0f, 100.0f));
+ ImGui::Begin("Custom Controls", nullptr, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize);
+
+ if (ImGui::RadioButton("Boxes", m_boxes == true))
+ {
+ CreateBoxes();
+ m_boxes = true;
+ }
+
+ if (ImGui::RadioButton("Circles", m_boxes == false))
+ {
+ CreateCircles();
+ m_boxes = false;
+ }
+
+ ImGui::End();
+ }
+
+ void Step(Settings& settings) override
+ {
+ if (glfwGetKey(g_mainWindow, GLFW_KEY_A) == GLFW_PRESS)
+ {
+ m_body1->ApplyForceToCenter(b2Vec2(-10.0f, 0.0f), true);
+ m_body2->ApplyForceToCenter(b2Vec2(-10.0f, 0.0f), true);
+ }
+
+ if (glfwGetKey(g_mainWindow, GLFW_KEY_D) == GLFW_PRESS)
+ {
+ m_body1->ApplyForceToCenter(b2Vec2(10.0f, 0.0f), true);
+ m_body2->ApplyForceToCenter(b2Vec2(10.0f, 0.0f), true);
+ }
+
+ Test::Step(settings);
+ }
+
+ static Test* Create()
+ {
+ return new EdgeTest;
+ }
+
+ b2Vec2 m_offset1, m_offset2;
+ b2Body* m_body1;
+ b2Body* m_body2;
+ bool m_boxes;
+};
+
+static int testIndex = RegisterTest("Geometry", "Edge Test", EdgeTest::Create);