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added non-uniform scaling to btMultiSphereShape

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added ray-aabb check
modified Raycast demo to be more useful for debugging collision shapes
This commit is contained in:
ejcoumans
2006-11-09 01:58:33 +00:00
parent db65601f9a
commit 6d47d9492e
12 changed files with 211 additions and 54 deletions
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33
Demos/OpenGL/GLDebugDrawer.cpp
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@@ -61,3 +61,36 @@ void GLDebugDrawer::drawContactPoint(const btVector3& pointOnB,const btVector3&
}
}
void GLDebugDrawer::drawAabb(const btVector3& from,const btVector3& to,const btVector3& color)
{
btVector3 halfExtents = (to-from)* 0.5f;
btVector3 center = (to+from) *0.5f;
int i,j;
btVector3 edgecoord(1.f,1.f,1.f),pa,pb;
for (i=0;i<4;i++)
{
for (j=0;j<3;j++)
{
pa = btVector3(edgecoord[0]*halfExtents[0], edgecoord[1]*halfExtents[1],
edgecoord[2]*halfExtents[2]);
pa+=center;
int othercoord = j%3;
edgecoord[othercoord]*=-1.f;
pb = btVector3(edgecoord[0]*halfExtents[0], edgecoord[1]*halfExtents[1],
edgecoord[2]*halfExtents[2]);
pb+=center;
drawLine(pa,pb,color);
}
edgecoord = btVector3(-1.f,-1.f,-1.f);
if (i<3)
edgecoord[i]*=-1.f;
}
}

2
Demos/OpenGL/GLDebugDrawer.h
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@@ -13,6 +13,8 @@ public:
GLDebugDrawer();
void drawAabb(const btVector3& from,const btVector3& to,const btVector3& color);
virtual void drawLine(const btVector3& from,const btVector3& to,const btVector3& color);
virtual void drawContactPoint(const btVector3& PointOnB,const btVector3& normalOnB,float distance,int lifeTime,const btVector3& color);

2
Demos/OpenGL/RenderTexture.cpp
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@@ -53,7 +53,7 @@ void renderTexture::grapicalPrintf(char* str, BMF_FontData* fontData, int startx
for (int x=0;x<cd.width;x++)
{
char packedColor = bitmap[y];
float colorf = packedColor & bit ? 1.f : 0.f;
float colorf = packedColor & bit ? 0.f : 1.f;
btVector4 rgba(colorf,colorf,colorf,1.f);
setPixel(rasterposx+x,rasterposy+8-y-1,rgba);
bit >>=1;

9
Demos/OpenGL/RenderTexture.h
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@@ -43,6 +43,15 @@ public:
pixel[3] = (unsigned char)(255*rgba.getW());
}
inline btVector4 getPixel(int x,int y)
{
unsigned char* pixel = &m_buffer[ (x+y*m_width) * 4];
return btVector4(pixel[0]*1.f/255.f,
pixel[1]*1.f/255.f,
pixel[2]*1.f/255.f,
pixel[3]*1.f/255.f);
}
const unsigned char* getBuffer() const { return m_buffer;}
int getWidth() const { return m_width;}
int getHeight() const { return m_height;}