/**
* Creates the ShaderProgram used by the example to render.
*/
private void initShaders() {
// Create the Shaders
WebGLShader fragmentShader = getShader(WebGLRenderingContext.FRAGMENT_SHADER, Resources.INSTANCE.fragmentShader().getText());
log("Created fragment shader");
WebGLShader vertexShader = getShader(WebGLRenderingContext.VERTEX_SHADER, Resources.INSTANCE.vertexShader().getText());
log("Created vertex shader");
if (vertexShader == null || fragmentShader == null) {
log("Shader error");
throw new RuntimeException("shader error");
}