How to use

setModelMatrix

method

in

org.rajawali3d.materials.shaders.VertexShader

/**
 * Sets the model matrix. The model matrix holds the object's local coordinates.
 *
 * @param modelMatrix
 */
public void setModelMatrix(Matrix4 modelMatrix) {
  mModelMatrix = modelMatrix;//.getFloatValues();
  mVertexShader.setModelMatrix(mModelMatrix);
  mNormalMatrix.setAll(modelMatrix);
  try {
    mNormalMatrix.setToNormalMatrix();
  } catch (IllegalStateException exception) {
    RajLog.d("modelMatrix is degenerate (zero scale)...");
  }
  float[] matrix = mNormalMatrix.getFloatValues();
  mNormalFloats[0] = matrix[0];
  mNormalFloats[1] = matrix[1];
  mNormalFloats[2] = matrix[2];
  mNormalFloats[3] = matrix[4];
  mNormalFloats[4] = matrix[5];
  mNormalFloats[5] = matrix[6];
  mNormalFloats[6] = matrix[8];
  mNormalFloats[7] = matrix[9];
  mNormalFloats[8] = matrix[10];
  mVertexShader.setNormalMatrix(mNormalFloats);
}

/**
 * Sets the model matrix. The model matrix holds the object's local coordinates.
 *
 * @param modelMatrix
 */
public void setModelMatrix(Matrix4 modelMatrix) {
  mModelMatrix = modelMatrix;//.getFloatValues();
  mVertexShader.setModelMatrix(mModelMatrix);
  mNormalMatrix.setAll(modelMatrix).setToNormalMatrix();
  float[] matrix = mNormalMatrix.getFloatValues();
  mNormalFloats[0] = matrix[0];
  mNormalFloats[1] = matrix[1];
  mNormalFloats[2] = matrix[2];
  mNormalFloats[3] = matrix[4];
  mNormalFloats[4] = matrix[5];
  mNormalFloats[5] = matrix[6];
  mNormalFloats[6] = matrix[8];
  mNormalFloats[7] = matrix[9];
  mNormalFloats[8] = matrix[10];
  mVertexShader.setNormalMatrix(mNormalFloats);
}