我想在OpenGL中用三角形排序创建三角形网格。我有顶点缓冲区和索引缓冲区。我已经部分成功了,但是在屏幕截图中可以看到一半网格呈现错误。我不知道这是为什么。三角形网格,一半是错误的
我的代码是在这里
float[] vertices = new float[2 * rows * columns];
int counter = 0;
for(int r = 0; r <rows; r++){
for(int c = 0; c < columns; c++){
vertices[counter ++] = (float)r/(rows-1);
vertices[counter ++] = (float)c/(columns -1);
}
}
int[] indices = new int[4 * (rows) * (columns)];
int counter = 0;
for(int r = 0; r < rows; r++){
for(int c =0; c <= columns; c++){
if(r % 2 == 0){
if(c == columns){
indices[counter ++] = (c-1) + (r+1)*columns;
indices[counter ++] = (c-1) + (r+1)*columns;
}else{
indices[counter ++] = c + r * columns;
indices[counter ++] = c + (r+1) * columns;
}
}else{
if(c == columns){
indices[counter ++] = (columns) - c + (r +1) * columns;
indices[counter ++] = (columns) - c + (r +1) * columns;
}else{
indices[counter ++] = (columns - 1) - c + (r + 1) * columns;
indices[counter ++] = r*columns + (columns-1) - c;
}
}
}
}
我建议你阅读关于原始重启索引。 – ybungalobill