25bd5d8adb
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"
132 lines
4.4 KiB
C++
132 lines
4.4 KiB
C++
/*
|
|
* 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
|