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fixed canvas dragging speed, it's now relative to the world

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Thomas von Dein
2024-06-06 19:24:23 +02:00
parent 9adc7ddbdc
commit 9fb2779c02
1 changed files with 5 additions and 5 deletions
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10
src/play.go
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@@ -43,7 +43,7 @@ type ScenePlay struct {
World, Cache *ebiten.Image // actual image we render to World, Cache *ebiten.Image // actual image we render to
WheelTurned bool // when user turns wheel multiple times, zoom faster WheelTurned bool // when user turns wheel multiple times, zoom faster
Dragging bool // middle mouse is pressed, move canvas Dragging bool // middle mouse is pressed, move canvas
LastCursorPos []int // used to check if the user is dragging LastCursorPos []float64 // used to check if the user is dragging
MarkTaken bool // true when mouse1 pressed MarkTaken bool // true when mouse1 pressed
MarkDone bool // true when mouse1 released, copy cells between Mark+Point MarkDone bool // true when mouse1 released, copy cells between Mark+Point
Mark, Point image.Point // area to marks+save Mark, Point image.Point // area to marks+save
@@ -266,11 +266,11 @@ func (scene *ScenePlay) CheckDraggingInput() {
if !scene.Dragging && ebiten.IsMouseButtonPressed(dragbutton) { if !scene.Dragging && ebiten.IsMouseButtonPressed(dragbutton) {
// start dragging // start dragging
scene.Dragging = true scene.Dragging = true
scene.LastCursorPos[0], scene.LastCursorPos[1] = ebiten.CursorPosition() scene.LastCursorPos[0], scene.LastCursorPos[1] = scene.Camera.ScreenToWorld(ebiten.CursorPosition())
} }
if scene.Dragging { if scene.Dragging {
x, y := ebiten.CursorPosition() x, y := scene.Camera.ScreenToWorld(ebiten.CursorPosition())
if x != scene.LastCursorPos[0] || y != scene.LastCursorPos[1] { if x != scene.LastCursorPos[0] || y != scene.LastCursorPos[1] {
// actually drag by mouse cursor pos diff to last cursor pos // actually drag by mouse cursor pos diff to last cursor pos
@@ -278,7 +278,7 @@ func (scene *ScenePlay) CheckDraggingInput() {
scene.Camera.Position[1] -= float64(y - scene.LastCursorPos[1]) scene.Camera.Position[1] -= float64(y - scene.LastCursorPos[1])
} }
scene.LastCursorPos[0], scene.LastCursorPos[1] = ebiten.CursorPosition() scene.LastCursorPos[0], scene.LastCursorPos[1] = scene.Camera.ScreenToWorld(ebiten.CursorPosition())
} }
// also support the arrow keys to move the canvas // also support the arrow keys to move the canvas
@@ -693,7 +693,7 @@ func (scene *ScenePlay) Init() {
scene.Index = 0 scene.Index = 0
scene.TicksElapsed = 0 scene.TicksElapsed = 0
scene.LastCursorPos = make([]int, 2) scene.LastCursorPos = make([]float64, 2)
if scene.Config.Zoomfactor < 0 || scene.Config.Zoomfactor > 0 { if scene.Config.Zoomfactor < 0 || scene.Config.Zoomfactor > 0 {
scene.Camera.ZoomFactor = scene.Config.Zoomfactor scene.Camera.ZoomFactor = scene.Config.Zoomfactor