bounce/examples/testbed/tests/spring_cloth_collision_test.h
2018-03-24 02:21:31 -03:00

82 lines
2.0 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_meshes + e_clothMesh;
def.density = 0.2f;
def.ks = 1000.0f;
def.kd = 10.0f;
def.r = 0.2f;
def.gravity.Set(0.0f, -10.0f, 0.0f);
m_cloth.Initialize(def);
b3Sphere* sphere = m_cloth.CreateSphere(b3Vec3(0.0f, -5.0f, 0.0f), 4.0f);
}
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);
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();
}
b3StackAllocator m_clothAllocator;
b3SpringCloth m_cloth;
};
#endif