103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
|
|
*
|
|
* 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 SPRING_CLOTH_COLLISION_TESH_H
|
|
#define SPRING_CLOTH_COLLISION_TESH_H
|
|
|
|
extern DebugDraw* g_debugDraw;
|
|
extern Camera g_camera;
|
|
extern Settings g_settings;
|
|
|
|
class SpringClothCollision : public Test
|
|
{
|
|
public:
|
|
SpringClothCollision()
|
|
{
|
|
g_camera.m_zoom = 25.0f;
|
|
|
|
b3SpringClothDef def;
|
|
def.allocator = &m_clothAllocator;
|
|
def.mesh = &m_clothMesh;
|
|
def.density = 0.2f;
|
|
def.ks = 1000.0f;
|
|
def.kd = 0.0f;
|
|
def.r = 0.2f;
|
|
def.gravity.Set(0.0f, -10.0f, 0.0f);
|
|
|
|
m_cloth.Initialize(def);
|
|
|
|
m_clothCapsule.m_centers[0].Set(0.0f, -2.0f, 2.0f);
|
|
m_clothCapsule.m_centers[1].Set(0.0f, -2.0f, -2.0f);
|
|
m_clothCapsule.m_radius = 2.0f;
|
|
|
|
m_clothCapsule.SetFriction(1.0f);
|
|
|
|
|
|
m_cloth.AddShape(&m_clothCapsule);
|
|
}
|
|
|
|
void Step()
|
|
{
|
|
float32 dt = g_settings.hertz > 0.0f ? 1.0f / g_settings.hertz : 0.0f;
|
|
|
|
if (g_settings.pause)
|
|
{
|
|
if (g_settings.singleStep)
|
|
{
|
|
g_settings.singleStep = false;
|
|
}
|
|
else
|
|
{
|
|
dt = 0.0f;
|
|
}
|
|
}
|
|
|
|
m_cloth.Step(dt);
|
|
|
|
b3Shape** shapes = m_cloth.GetShapes();
|
|
for (u32 i = 0; i < m_cloth.GetShapeCount(); ++i)
|
|
{
|
|
b3Shape* s = shapes[i];
|
|
|
|
b3Transform xf;
|
|
xf.SetIdentity();
|
|
|
|
g_debugDraw->DrawShape(s, b3Color_white, xf);
|
|
}
|
|
|
|
m_cloth.Draw(g_debugDraw);
|
|
|
|
b3SpringClothStep step = m_cloth.GetStep();
|
|
|
|
char text[256];
|
|
sprintf(text, "Iterations = %u", step.iterations);
|
|
g_debugDraw->DrawString(text, b3Color_white);
|
|
}
|
|
|
|
static Test* Create()
|
|
{
|
|
return new SpringClothCollision();
|
|
}
|
|
|
|
b3GridMesh<10, 10> m_clothMesh;
|
|
b3StackAllocator m_clothAllocator;
|
|
b3CapsuleShape m_clothCapsule;
|
|
b3SpringCloth m_cloth;
|
|
};
|
|
|
|
#endif |