public void prepareAll() {
if (vertexVBO != null) {
vertexVBO.prepare();
}
if (colourVBO != null) {
colourVBO.prepare();
}
if (textureVBO != null) {
textureVBO.prepare();
}
}
private int getNumElements() {
if (vertexVBO != null) {
return vertexVBO.getNumElements();
}
if (colourVBO != null) {
return colourVBO.getNumElements();
}
if (textureVBO != null) {
return textureVBO.getNumElements();
}
return 0; // We have no VBOs to ask.
}
private void updateData() {
// top left
vertices[0].setXY(position.x - dimension.x, position.y + dimension.y);
// bottom left
vertices[1].setXY(position.x - dimension.x, position.y - dimension.y);
// bottom right
vertices[2].setXY(position.x + dimension.x, position.y - dimension.y);
// top right
vertices[3].setXY(position.x + dimension.x, position.y + dimension.y);
vbo.setVertices(vertices);
}
public void destroy() {
vbo.destroy();
}