func AnimateImageNoChannel(animImage *staticimg.StaticImg, endPos, endDim *coords.Vec, u *uistate.UIState) {
node := animImage.GetNode()
startPos := animImage.GetCurrent()
startDim := animImage.GetDimensions()
iteration := 0
node.Arranger = arrangerFunc(func(eng sprite.Engine, node *sprite.Node, t clock.Time) {
iteration++
if iteration < animationFrameCount {
curXY := animImage.GetCurrent()
curDim := animImage.GetDimensions()
XYStep := endPos.MinusVec(startPos).DividedBy(animationFrameCount)
dimStep := endDim.MinusVec(startDim).DividedBy(animationFrameCount)
newVec := curXY.PlusVec(XYStep)
dimVec := curDim.PlusVec(dimStep)
animImage.Move(newVec, dimVec, eng)
card := animImage.GetCardHere()
if card != nil {
card.Move(newVec, dimVec, eng)
}
} else if iteration == animationFrameCount {
animImage.Move(endPos, endDim, eng)
card := animImage.GetCardHere()
if card != nil {
card.Move(endPos, endDim, eng)
}
}
})
}
func animateCardMovement(c chan bool, 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)
c <- true
}
})
}
// Returns coordinates for images with position, width and height scaled proportional to the screen
// Public for testing, but could be made private
func AdjustScaleDimensions(oldInitial, oldPos, oldDimensions, oldWindowSize, newWindowSize *coords.Vec) (*coords.Vec, *coords.Vec, *coords.Vec) {
return oldInitial.Rescale(oldWindowSize, newWindowSize),
oldPos.Rescale(oldWindowSize, newWindowSize),
oldDimensions.Rescale(oldWindowSize, newWindowSize)
}
func scaleVec(vec, oldWindow, newWindow *coords.Vec) *coords.Vec {
return vec.TimesVec(newWindow).DividedByVec(oldWindow)
}
// Returns coordinates for images with same width and height but in new positions proportional to the screen
// Public for testing, but could be made private
func AdjustKeepDimensions(oldInitial, oldPos, oldDimensions, oldWindowSize, newWindowSize *coords.Vec) (*coords.Vec, *coords.Vec, *coords.Vec) {
newPos := oldPos.PlusVec(oldDimensions.DividedBy(2)).DividedByVec(oldWindowSize).TimesVec(newWindowSize).MinusVec(oldDimensions.DividedBy(2))
newInitial := oldInitial.PlusVec(oldDimensions.DividedBy(2)).DividedByVec(oldWindowSize).TimesVec(newWindowSize).MinusVec(oldDimensions.DividedBy(2))
return newInitial, newPos, oldDimensions
}