PerspectiveProjection constructor
PerspectiveProjection({})
Creates a PerspectiveProjection with a vertical field of view
fovRadiansY and a near/far clip range.
Implementation
PerspectiveProjection({
this.fovRadiansY = 45 * degrees2Radians,
this.near = 0.1,
this.far = 1000.0,
});