72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
#include <iostream>
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#include <stdio.h>
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#include <dust3d.h>
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int main(int argc, char *argv[])
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{
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dust3dInitialize(argc, argv);
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printf("dust3d version:%s\n", dust3dVersion());
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dust3d *ds3 = dust3dOpen("screwdriver.xml");
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if (ds3) {
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int error = dust3dGenerateMesh(ds3);
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printf("error: %d\n", error);
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{
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FILE *fp = nullptr;
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fopen_s(&fp, "test-triangles.obj", "wb");
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int vertexCount = dust3dGetMeshVertexCount(ds3);
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for (int i = 0; i < vertexCount; ++i) {
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float x, y, z;
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dust3dGetMeshVertexPosition(ds3, i, &x, &y, &z);
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fprintf(fp, "v %f %f %f\n", x, y, z);
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}
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int triangleCount = dust3dGetMeshTriangleCount(ds3);
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if (triangleCount > 0) {
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int *triangleIndices = new int[triangleCount * 3];
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dust3dGetMeshTriangleIndices(ds3, triangleIndices);
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for (int i = 0, offset = 0; i < triangleCount; ++i, offset += 3) {
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fprintf(fp, "f %d %d %d\n",
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1 + triangleIndices[offset],
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1 + triangleIndices[offset + 1],
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1 + triangleIndices[offset + 2]);
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}
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delete[] triangleIndices;
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}
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fclose(fp);
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}
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{
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FILE *fp = nullptr;
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fopen_s(&fp, "test-triangleandquads.obj", "wb");
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int vertexCount = dust3dGetMeshVertexCount(ds3);
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for (int i = 0; i < vertexCount; ++i) {
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float x, y, z;
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dust3dGetMeshVertexPosition(ds3, i, &x, &y, &z);
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fprintf(fp, "v %f %f %f\n", x, y, z);
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}
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int triangleAndQuadCount = dust3dGetMeshTriangleAndQuadCount(ds3);
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if (triangleAndQuadCount > 0) {
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int *faceIndices = new int[triangleAndQuadCount * 4];
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dust3dGetMeshTriangleAndQuadIndices(ds3, faceIndices);
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for (int i = 0, offset = 0; i < triangleAndQuadCount; ++i, offset += 4) {
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if (-1 == faceIndices[offset + 3]) {
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fprintf(fp, "f %d %d %d\n",
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1 + faceIndices[offset],
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1 + faceIndices[offset + 1],
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1 + faceIndices[offset + 2]);
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} else {
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fprintf(fp, "f %d %d %d %d\n",
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1 + faceIndices[offset],
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1 + faceIndices[offset + 1],
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1 + faceIndices[offset + 2],
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1 + faceIndices[offset + 3]);
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}
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}
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delete[] faceIndices;
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}
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fclose(fp);
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}
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dust3dClose(ds3);
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}
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}
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