Method CalPoint4

test/skinning_test_no_simd.cpp:58–63

struct CalPoint4 : CalBase4 {
  CalPoint4() {
    x = 0.0f;
    y = 0.0f;
    z = 0.0f;
    w = 1.0f;
  }

  CalPoint4(float x, float y, float z, float w = 1.0f) {
    this->x = x;