C++ (Cpp) rut_entity_get_transform Beispiele

Beispiel #1

Datei: rig-renderer.c Projekt: sanyaade-mobiledev/rig

static void
get_light_modelviewprojection (const CoglMatrix *model_transform,
                               RutEntity  *light,
                               const CoglMatrix *light_projection,
                               CoglMatrix *light_mvp)
{
  const CoglMatrix *light_transform;
  CoglMatrix light_view;

  /* TODO: cache the bias * light_projection * light_view matrix! */

  /* Move the unit engine from [-1,1] to [0,1], column major order */
  float bias[16] = {
    .5f, .0f, .0f, .0f,
    .0f, .5f, .0f, .0f,
    .0f, .0f, .5f, .0f,
    .5f, .5f, .5f, 1.f
  };

  light_transform = rut_entity_get_transform (light);
  cogl_matrix_get_inverse (light_transform, &light_view);

  cogl_matrix_init_from_array (light_mvp, bias);
  cogl_matrix_multiply (light_mvp, light_mvp, light_projection);
  cogl_matrix_multiply (light_mvp, light_mvp, &light_view);

  cogl_matrix_multiply (light_mvp, light_mvp, model_transform);
}

Beispiel #2

Datei: rig-selection-tool.c Projekt: cee1/rig

static void
get_modelview_matrix (RutEntity  *camera,
                      RutEntity  *entity,
                      CoglMatrix *modelview)
{
  RutCamera *camera_component =
    rut_entity_get_component (camera, RUT_COMPONENT_TYPE_CAMERA);
  *modelview = *rut_camera_get_view_transform (camera_component);

  cogl_matrix_multiply (modelview,
                        modelview,
                        rut_entity_get_transform (entity));
}