void GLHeightMap::build(RawHeightMap heightmap) {
m_heightmap = heightmap;
vertexNumber = heightmap.getWidth()*(heightmap.getHeight()-1)*2;
vertexes = new Vertex[vertexNumber];
float range = m_heightmap.getMaxHeight() - m_heightmap.getMinHeight();
for (int i = 0; i < heightmap.getHeight(); i++) {
for (int j = 0; j < heightmap.getWidth(); j++) {
unsigned short int value = heightmap.getData()[i*heightmap.getWidth()+j];
int offset = i*heightmap.getWidth()+j;
vertexes[offset].x = i * m_scaleFactor * 8 * 1/m_heightmap.getRatio();
vertexes[offset].y = (m_heightmap.getMinHeight()+value*range/MAX_SHORT)*m_scaleFactor;
vertexes[offset].z = j * m_scaleFactor * 8 * 1/m_heightmap.getRatio();
}
}
computeNormals();
generateIndexes();
generateTexCoords();
}
void cwEdgeTile::generate() {
generateVertex();
generateIndexes();
}
