mirror of
https://github.com/bulletphysics/bullet3
synced 2025-01-09 00:50:17 +00:00
88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
#include "stan/vecmath.h"
|
|
#include "stan/Cloth.h"
|
|
#include "Bullet3Common/b3Vector3.h"
|
|
#include "../../btgui/OpenGLWindow/SimpleOpenGL3App.h"
|
|
|
|
Cloth* cloth = 0;
|
|
|
|
int numX = 60, numY=60;
|
|
const size_t total_points = (numX)*(numY);
|
|
|
|
void drawCloth(class GLInstancingRenderer* renderer)
|
|
{
|
|
GLint err = glGetError();
|
|
assert(err==GL_NO_ERROR);
|
|
|
|
|
|
err = glGetError();
|
|
assert(err==GL_NO_ERROR);
|
|
|
|
b3AlignedObjectArray<unsigned int> indices;
|
|
|
|
for (int i=0;i<cloth->springs.count;i++)
|
|
{
|
|
indices.push_back(cloth->springs[i].a);
|
|
indices.push_back(cloth->springs[i].b);
|
|
}
|
|
float lineColor[4]={0.4,0.4,1.0,1};
|
|
renderer->drawLines(&cloth->X[0].x,lineColor,total_points,sizeof(float3),&indices[0],indices.size(),1);
|
|
err = glGetError();
|
|
assert(err==GL_NO_ERROR);
|
|
float pointColor[4]={1,0.4,0.4,1};
|
|
|
|
glDisable(GL_DEPTH_TEST);
|
|
renderer->drawPoints(&cloth->X[0].x,pointColor,total_points,sizeof(float3),3);
|
|
glEnable(GL_DEPTH_TEST);
|
|
|
|
err = glGetError();
|
|
assert(err==GL_NO_ERROR);
|
|
|
|
|
|
}
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
float size=10;
|
|
cloth = ClothCreate(numX,numY,size);
|
|
|
|
float dt = 1./120.f;
|
|
|
|
SimpleOpenGL3App* app = new SimpleOpenGL3App("title",1024,768);
|
|
app->m_instancingRenderer->setCameraDistance(13);
|
|
app->m_instancingRenderer->setCameraPitch(0);
|
|
app->m_instancingRenderer->setCameraTargetPosition(b3MakeVector3(0,0,0));
|
|
|
|
GLint err = glGetError();
|
|
assert(err==GL_NO_ERROR);
|
|
|
|
do
|
|
{
|
|
GLint err = glGetError();
|
|
assert(err==GL_NO_ERROR);
|
|
app->m_instancingRenderer->init();
|
|
app->m_instancingRenderer->updateCamera();
|
|
|
|
app->drawGrid();
|
|
app->drawText("Cloth simulation using implicit integration, by Stan Melax",10,10);
|
|
cloth->Simulate(dt);
|
|
cloth->cloth_gravity.y = -9.8;//-9.8;//-9.8;//-9.8;//0;//-9.8;//0;//-9.8;//0;//-9.8;
|
|
cloth->cloth_gravity.z =-9.8;//0;//-9.8;//0;//-9.8;
|
|
|
|
cloth->spring_struct=10000000.0f;
|
|
cloth->spring_shear=10000000.0f;
|
|
|
|
//cloth->spring_struct=1000000.0f;
|
|
//cloth->spring_shear=1000000.0f;
|
|
|
|
cloth->spring_damp = 0;//100;
|
|
|
|
drawCloth(app->m_instancingRenderer);
|
|
|
|
app->swapBuffer();
|
|
} while (!app->m_window->requestedExit());
|
|
|
|
delete cloth;
|
|
delete app;
|
|
return 0;
|
|
}
|