technique.addParameters("modelViewMatrix", createDefaultTechniqueParameters( "MODELVIEW", GltfConstants.GL_FLOAT_MAT4, null)); technique.addParameters("projectionMatrix", createDefaultTechniqueParameters( "PROJECTION", GltfConstants.GL_FLOAT_MAT4, null)); technique.addParameters("emission", createDefaultTechniqueParameters( null, GltfConstants.GL_FLOAT_VEC4, Arrays.asList(0.5f, 0.5f, 0.5f, 1.0f))); technique.addParameters("position", createDefaultTechniqueParameters( "POSITION", GltfConstants.GL_FLOAT_VEC3, null));