git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce

subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

deps/juce/examples/Assets/Box2DTests/TimeOfImpact.h

@@ -0,0 +1,131 @@
+/*
+* Copyright (c) 2006-2009 Erin Catto http://www.box2d.org
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef TIME_OF_IMPACT_H
+#define TIME_OF_IMPACT_H
+
+class TimeOfImpact : public Test
+{
+public:
+    TimeOfImpact()
+    {
+        m_shapeA.SetAsBox(25.0f, 5.0f);
+        m_shapeB.SetAsBox(2.5f, 2.5f);
+    }
+
+    static Test* Create()
+    {
+        return new TimeOfImpact;
+    }
+
+    void Step(Settings* settings)
+    {
+        Test::Step(settings);
+
+        b2Sweep sweepA;
+        sweepA.c0.Set(24.0f, -60.0f);
+        sweepA.a0 = 2.95f;
+        sweepA.c = sweepA.c0;
+        sweepA.a = sweepA.a0;
+        sweepA.localCenter.SetZero();
+
+        b2Sweep sweepB;
+        sweepB.c0.Set(53.474274f, -50.252514f);
+        sweepB.a0 = 513.36676f; // - 162.0f * b2_pi;
+        sweepB.c.Set(54.595478f, -51.083473f);
+        sweepB.a = 513.62781f; //  - 162.0f * b2_pi;
+        sweepB.localCenter.SetZero();
+
+        //sweepB.a0 -= 300.0f * b2_pi;
+        //sweepB.a -= 300.0f * b2_pi;
+
+        b2TOIInput input;
+        input.proxyA.Set(&m_shapeA, 0);
+        input.proxyB.Set(&m_shapeB, 0);
+        input.sweepA = sweepA;
+        input.sweepB = sweepB;
+        input.tMax = 1.0f;
+
+        b2TOIOutput output;
+
+        b2TimeOfImpact(&output, &input);
+
+        m_debugDraw.DrawString(5, m_textLine, "toi = %g", output.t);
+        m_textLine += 15;
+
+        extern int32 b2_toiMaxIters, b2_toiMaxRootIters;
+        m_debugDraw.DrawString(5, m_textLine, "max toi iters = %d, max root iters = %d", b2_toiMaxIters, b2_toiMaxRootIters);
+        m_textLine += 15;
+
+        b2Vec2 vertices[b2_maxPolygonVertices];
+
+        b2Transform transformA;
+        sweepA.GetTransform(&transformA, 0.0f);
+        for (int32 i = 0; i < m_shapeA.m_vertexCount; ++i)
+        {
+            vertices[i] = b2Mul(transformA, m_shapeA.m_vertices[i]);
+        }
+        m_debugDraw.DrawPolygon(vertices, m_shapeA.m_vertexCount, b2Color(0.9f, 0.9f, 0.9f));
+
+        b2Transform transformB;
+        sweepB.GetTransform(&transformB, 0.0f);
+
+        b2Vec2 localPoint(2.0f, -0.1f);
+        b2Vec2 rB = b2Mul(transformB, localPoint) - sweepB.c0;
+        float32 wB = sweepB.a - sweepB.a0;
+        b2Vec2 vB = sweepB.c - sweepB.c0;
+        b2Vec2 v = vB + b2Cross(wB, rB);
+
+        for (int32 i = 0; i < m_shapeB.m_vertexCount; ++i)
+        {
+            vertices[i] = b2Mul(transformB, m_shapeB.m_vertices[i]);
+        }
+        m_debugDraw.DrawPolygon(vertices, m_shapeB.m_vertexCount, b2Color(0.5f, 0.9f, 0.5f));
+
+        sweepB.GetTransform(&transformB, output.t);
+        for (int32 i = 0; i < m_shapeB.m_vertexCount; ++i)
+        {
+            vertices[i] = b2Mul(transformB, m_shapeB.m_vertices[i]);
+        }
+        m_debugDraw.DrawPolygon(vertices, m_shapeB.m_vertexCount, b2Color(0.5f, 0.7f, 0.9f));
+
+        sweepB.GetTransform(&transformB, 1.0f);
+        for (int32 i = 0; i < m_shapeB.m_vertexCount; ++i)
+        {
+            vertices[i] = b2Mul(transformB, m_shapeB.m_vertices[i]);
+        }
+        m_debugDraw.DrawPolygon(vertices, m_shapeB.m_vertexCount, b2Color(0.9f, 0.5f, 0.5f));
+
+#if 0
+        for (float32 t = 0.0f; t < 1.0f; t += 0.1f)
+        {
+            sweepB.GetTransform(&transformB, t);
+            for (int32 i = 0; i < m_shapeB.m_vertexCount; ++i)
+            {
+                vertices[i] = b2Mul(transformB, m_shapeB.m_vertices[i]);
+            }
+            m_debugDraw.DrawPolygon(vertices, m_shapeB.m_vertexCount, b2Color(0.9f, 0.5f, 0.5f));
+        }
+#endif
+    }
+
+    b2PolygonShape m_shapeA;
+    b2PolygonShape m_shapeB;
+};
+
+#endif