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#include "CompoundGeometry.h"
#define DEBUG_DRAW 1
#if DEBUG_DRAW
#include <windows.h>
#include <GL/gl.h>
#endif
// -------------------------------------------------------------------------------
void CompoundGeometry::debugDraw(int maxConvexes) const
{
#if DEBUG_DRAW
const bool drawConvexes = true;
const bool drawWireframe = true;
const bool drawClipped = false;
const float clipMaxX = 0.0f;
if (drawConvexes) {
float s = drawClipped ? 1.0f : 0.95f;
if (drawWireframe)
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
PxVec3 n;
int num = convexes.size();
if (maxConvexes > 0 && maxConvexes < num)
num = maxConvexes;
for (int i = 0; i < num; i++) {
switch (i%7) {
case 0 : glColor3f(1.0f, 0.0f, 0.0f); break;
case 1 : glColor3f(0.0f, 1.0f, 0.0f); break;
case 2 : glColor3f(1.0f, 0.0f, 1.0f); break;
case 3 : glColor3f(0.0f, 1.0f, 1.0f); break;
case 4 : glColor3f(1.0f, 0.0f, 1.0f); break;
case 5 : glColor3f(1.0f, 1.0f, 0.0f); break;
case 6 : glColor3f(1.0f, 1.0f, 1.0f); break;
};
const Convex &c = convexes[i];
const PxVec3 *verts = &vertices[c.firstVert];
PxVec3 center;
center = PxVec3(0.0f, 0.0f, 0.0f);
for (int j = 0; j < c.numVerts; j++)
center += verts[j];
center /= (float)c.numVerts;
if (drawClipped && center.x > clipMaxX)
continue;
const int *ids = &indices[c.firstIndex];
for (int j = 0; j < c.numFaces; j++) {
int numVerts = *ids++;
int flags = *ids++;
n = (verts[ids[1]] - verts[ids[0]]).cross(verts[ids[2]] - verts[ids[0]]);
n.normalize();
glNormal3f(n.x, n.y, n.z);
glBegin(GL_POLYGON);
for (int k = 0; k < numVerts; k++) {
PxVec3 p = verts[ids[k]];
p = center + (p - center) * s;
glVertex3f(p.x, p.y, p.z);
}
glEnd();
ids += numVerts;
}
}
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
#endif
}
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