102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
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#include "CompoundGeometry.h"
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#define DEBUG_DRAW 1
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#if DEBUG_DRAW
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#include <windows.h>
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#include <GL/gl.h>
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#endif
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// -------------------------------------------------------------------------------
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void CompoundGeometry::debugDraw(int maxConvexes) const
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{
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#if DEBUG_DRAW
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const bool drawConvexes = true;
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const bool drawWireframe = true;
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const bool drawClipped = false;
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const float clipMaxX = 0.0f;
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if (drawConvexes) {
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float s = drawClipped ? 1.0f : 0.95f;
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if (drawWireframe)
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glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
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PxVec3 n;
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int num = convexes.size();
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if (maxConvexes > 0 && maxConvexes < num)
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num = maxConvexes;
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for (int i = 0; i < num; i++) {
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switch (i%7) {
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case 0 : glColor3f(1.0f, 0.0f, 0.0f); break;
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case 1 : glColor3f(0.0f, 1.0f, 0.0f); break;
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case 2 : glColor3f(1.0f, 0.0f, 1.0f); break;
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case 3 : glColor3f(0.0f, 1.0f, 1.0f); break;
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case 4 : glColor3f(1.0f, 0.0f, 1.0f); break;
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case 5 : glColor3f(1.0f, 1.0f, 0.0f); break;
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case 6 : glColor3f(1.0f, 1.0f, 1.0f); break;
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};
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const Convex &c = convexes[i];
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const PxVec3 *verts = &vertices[c.firstVert];
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PxVec3 center;
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center = PxVec3(0.0f, 0.0f, 0.0f);
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for (int j = 0; j < c.numVerts; j++)
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center += verts[j];
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center /= (float)c.numVerts;
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if (drawClipped && center.x > clipMaxX)
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continue;
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const int *ids = &indices[c.firstIndex];
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for (int j = 0; j < c.numFaces; j++) {
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int numVerts = *ids++;
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int flags = *ids++;
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n = (verts[ids[1]] - verts[ids[0]]).cross(verts[ids[2]] - verts[ids[0]]);
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n.normalize();
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glNormal3f(n.x, n.y, n.z);
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glBegin(GL_POLYGON);
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for (int k = 0; k < numVerts; k++) {
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PxVec3 p = verts[ids[k]];
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p = center + (p - center) * s;
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glVertex3f(p.x, p.y, p.z);
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}
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glEnd();
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ids += numVerts;
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}
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}
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glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
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}
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#endif
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} |