viewfinder

package

v0.0.0-...-dd13743 Latest Latest Go to latest Published: Mar 1, 2024 License: MIT Imports: 3 Imported by: 0

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type ViewFinder struct {
	Offset pixel.Vec
	Scale  float64
}

ViewFinder allows the user to zoom or move the view on the field

func (vf ViewFinder) RealToViewFinder(input vect.Vect) (output pixel.Vec)

RealToViewFinder converts a set of real coordinates to coordinates on the screen

func (vf *ViewFinder) Reset()

Reset resets the viewfinder settings

func (vf *ViewFinder) SetOffset(offset pixel.Vec)

SetOffset sets an offset for viewing the field

func (vf *ViewFinder) SetScale(scale float64)

SetScale zooms in or out of the field

func (vf ViewFinder) ViewFinderToReal(input pixel.Vec) (output vect.Vect)

ViewFinderToReal converts a set of coordinates on the screen to real coordinates