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Added option to Pan using tile coordinates.

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Fixed incorrect panning.
This commit is contained in:
Sander Schobers 2020-05-23 11:02:12 +02:00
parent 7793fe823f
commit cdc999ad42
1 changed files with 6 additions and 1 deletions
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7
play/isometricprojection.go
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@ -83,7 +83,12 @@ func (p *IsometricProjection) MoveCenterTo(tile geom.PointF32) {
// Pan translates the center of the projection with the given delta in view coordinates.
func (p *IsometricProjection) Pan(delta geom.PointF32) {
p.MoveCenterTo(p.center.Add(delta.Mul(p.zoomInverse)))
p.PanTile(p.ViewToTileRelative(delta))
}
// PanTile translates the center of the projection with the given delta in tile coordinates.
func (p *IsometricProjection) PanTile(delta geom.PointF32) {
p.MoveCenterTo(p.center.Add(delta))
}
// SetTileSize sets the size of a single tile (maximum width & height difference of its corners).