func animateCardNoChannel(animCard *card.Card, endPos, endDim *coords.Vec, u *uistate.UIState) {
node := animCard.GetNode()
startPos := animCard.GetCurrent()
startDim := animCard.GetDimensions()
iteration := 0
node.Arranger = arrangerFunc(func(eng sprite.Engine, node *sprite.Node, t clock.Time) {
iteration++
if iteration < animationFrameCount {
curXY := animCard.GetCurrent()
curDim := animCard.GetDimensions()
XYStep := endPos.MinusVec(startPos).DividedBy(animationFrameCount)
dimStep := endDim.MinusVec(startDim).DividedBy(animationFrameCount)
newVec := curXY.PlusVec(XYStep)
dimVec := curDim.PlusVec(dimStep)
animCard.Move(newVec, dimVec, eng)
} else if iteration == animationFrameCount {
animCard.Move(endPos, endDim, eng)
}
})
}
func touchingCard(t touch.Event, c *card.Card, u *uistate.UIState) bool {
withinXBounds := t.X/u.PixelsPerPt >= c.GetCurrent().X && t.X/u.PixelsPerPt <= c.GetDimensions().X+c.GetCurrent().X
withinYBounds := t.Y/u.PixelsPerPt >= c.GetCurrent().Y && t.Y/u.PixelsPerPt <= c.GetDimensions().Y+c.GetCurrent().Y
return withinXBounds && withinYBounds
}
func determineDestination(animCard *card.Card, dir direction.Direction, windowSize *coords.Vec) *coords.Vec {
switch dir {
case direction.Right:
return coords.MakeVec(animCard.GetCurrent().X+windowSize.X, animCard.GetCurrent().Y)
case direction.Left:
return coords.MakeVec(animCard.GetCurrent().X-windowSize.X, animCard.GetCurrent().Y)
case direction.Across:
return coords.MakeVec(animCard.GetCurrent().X, animCard.GetCurrent().Y-windowSize.Y)
case direction.Down:
return coords.MakeVec(animCard.GetCurrent().X, animCard.GetCurrent().Y+windowSize.Y)
// Should not occur
default:
return coords.MakeVec(-1, -1)
}
}