Add initial prototype.

3-mid/physics/implement/box2d/contrib/testbed/tests/add_pair.cpp

@@ -0,0 +1,71 @@
+// 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"
+
+class AddPair : public Test
+{
+public:
+
+	AddPair()
+	{
+		m_world->SetGravity(b2Vec2(0.0f,0.0f));
+		{
+			b2CircleShape shape;
+			shape.m_p.SetZero();
+			shape.m_radius = 0.1f;
+
+			float minX = -6.0f;
+			float maxX = 0.0f;
+			float minY = 4.0f;
+			float maxY = 6.0f;
+			
+			for (int32 i = 0; i < 400; ++i)
+			{
+				b2BodyDef bd;
+				bd.type = b2_dynamicBody;
+				bd.position = b2Vec2(RandomFloat(minX,maxX),RandomFloat(minY,maxY));
+				b2Body* body = m_world->CreateBody(&bd);
+				body->CreateFixture(&shape, 0.01f);
+			}
+		}
+		
+		{
+			b2PolygonShape shape;
+			shape.SetAsBox(1.5f, 1.5f);
+			b2BodyDef bd;
+			bd.type = b2_dynamicBody;
+			bd.position.Set(-40.0f,5.0f);
+			bd.bullet = true;
+			b2Body* body = m_world->CreateBody(&bd);
+			body->CreateFixture(&shape, 1.0f);
+			body->SetLinearVelocity(b2Vec2(10.0f, 0.0f));
+		}
+	}
+
+	static Test* Create()
+	{
+		return new AddPair;
+	}
+};
+
+static int testIndex = RegisterTest("Benchmark", "Add Pair", AddPair::Create);