private void recreateBuffers() { // determine vert quantity - first the sphere caps final int sampleLines = (2 * sphereSamples - 1 + axisSamples); final int verts = (radialSamples + 1) * sampleLines + 2; _meshData.setVertexBuffer(BufferUtils.createVector3Buffer(_meshData.getVertexBuffer(), verts)); // allocate normals _meshData.setNormalBuffer(BufferUtils.createVector3Buffer(_meshData.getNormalBuffer(), verts)); // allocate texture coordinates _meshData.setTextureBuffer(BufferUtils.createVector2Buffer(verts), 0); // determine tri quantity final int tris = 2 * radialSamples * sampleLines; if (_meshData.getIndices() == null || _meshData.getIndices().getBufferLimit() != 3 * tris) { _meshData.setIndices(BufferUtils.createIndexBufferData(3 * tris, verts - 1)); } setGeometryData(); setIndexData(); }
private void recreateBuffers() { // determine vert quantity - first the sphere caps final int sampleLines = (2 * sphereSamples - 1 + axisSamples); final int verts = (radialSamples + 1) * sampleLines + 2; _meshData.setVertexBuffer(BufferUtils.createVector3Buffer(_meshData.getVertexBuffer(), verts)); // allocate normals _meshData.setNormalBuffer(BufferUtils.createVector3Buffer(_meshData.getNormalBuffer(), verts)); // allocate texture coordinates _meshData.setTextureBuffer(BufferUtils.createVector2Buffer(verts), 0); // determine tri quantity final int tris = 2 * radialSamples * sampleLines; if (_meshData.getIndices() == null || _meshData.getIndices().getBufferLimit() != 3 * tris) { _meshData.setIndices(BufferUtils.createIndexBufferData(3 * tris, verts - 1)); } setGeometryData(); setIndexData(); }