Method flushTransform

src/FoldView.js:210–230

(ref, dx, y)

  }

  flushTransform(ref, dx, y) {
    // Matrix multiplication is not commutative
    const matrix = transformUtil.createIdentityMatrix();
    const rotate = transformUtil.rotateX(dx);
    transformUtil.origin(matrix, { x: 0, y, z: 0 });
    transformUtil.applyPerspective(
      matrix,
      this.props.perspective || rootDefaultProps.perspective,
    );
    transformUtil.multiplyInto(matrix, matrix, rotate);

    ref.setNativeProps({
      style: {
        transform: [
          {
            matrix,
          },
        ],
      },
    });
  }

  expand() {
    const duration = this.props.flipDuration;