kiss-lang/kiss-flixel
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drag to select works in many cases

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This commit is contained in:
Nat Quayle Nelson
2022-08-17 22:48:24 +00:00
parent b7b4d540da
commit f5c5255917
2 changed files with 58 additions and 11 deletions
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32
src/kiss_flixel/DragToSelectPlugin.hx
View File

@@ -28,9 +28,9 @@ class DragToSelectPlugin extends FlxBasic {
}
public function enableSprite(s:KissExtendedSprite, ?state:FlxState, ?camera:FlxCamera) {
if (state == null) state = FlxG.state;
if (camera == null) camera = FlxG.camera;
if (!dragStates.exists(state)) {
if (state == null) state = FlxG.state;
if (camera == null) camera = FlxG.camera;
dragStates[state] = {
camera: camera,
debugLayer: new DebugLayer(),
@@ -46,6 +46,14 @@ class DragToSelectPlugin extends FlxBasic {
}
}
public function selectedSprites() {
return dragStates[FlxG.state].selectedSprites;
}
public function deselectSprites() {
dragStates[FlxG.state].selectedSprites = [];
}
public override function update(elapsed:Float) {
if (dragStates.exists(FlxG.state)) {
var dragState = dragStates[FlxG.state];
@@ -56,11 +64,9 @@ class DragToSelectPlugin extends FlxBasic {
if (FlxMouseControl.dragTarget == null) {
if (FlxG.mouse.justPressed) {
dragState.firstCorner = FlxG.mouse.getWorldPosition(dragState.camera);
} else if (FlxG.mouse.justReleased) {
dragState.firstCorner = null;
}
}
dragState.secondCorner = FlxG.mouse.getWorldPosition(dragState.camera);
if (dragState.firstCorner != null) {
if (dragState.firstCorner != null && dragState.selectedSprites.length == 0) {
var rounded1 = dragState.firstCorner.copyTo();
var rounded2 = dragState.secondCorner.copyTo();
for (r in [rounded1, rounded2]) {
@@ -68,8 +74,20 @@ class DragToSelectPlugin extends FlxBasic {
r.y = Std.int(r.y);
}
var rect = new FlxRect().fromTwoPoints(rounded1, rounded2);
if (!rect.isEmpty)
if (FlxG.mouse.justReleased && dragState.selectedSprites.length == 0) {
dragState.firstCorner = null;
for (s in dragState.enabledSprites) {
if (s.scale.x != 1 || s.scale.y != 1) {
throw "DragToSelectPlugin can't handle scaled sprites yet!";
}
if (!s.getRotatedBounds().intersection(rect).isEmpty) {
// TODO if pixel perfect is true, get the pixels in the intersection and hit test them for transparency
dragState.selectedSprites.push(s);
}
}
} else if (!rect.isEmpty) {
dragState.debugLayer.drawFlxRect(rect);
}
}
}
}

37
src/kiss_flixel/KissExtendedSprite.hx
View File

@@ -22,20 +22,46 @@ class KissExtendedSprite extends flixel.addons.display.FlxExtendedSprite {
var mouseStartPos:FlxPoint = null;
public var connectedSprites:Array<KissExtendedSprite> = [];
function connectedAndSelectedSprites() {
var l = connectedSprites;
var map = [for (s in l) s => true];
if (_dragToSelectEnabled) {
var plugin = FlxG.plugins.get(DragToSelectPlugin);
for (s in plugin.selectedSprites()) {
map[s] = true;
for (c in s.connectedSprites) {
map[c] = true;
}
}
}
// Remove duplicates and return
l = [for (s => bool in map) s];
return l;
}
var connectedSpritesStartPos:Array<FlxPoint> = [];
function resetStartPos() {
dragStartPos = new FlxPoint(x, y);
connectedSpritesStartPos = [for (s in connectedSprites) new FlxPoint(s.x, s.y)];
connectedSpritesStartPos = [for (s in connectedAndSelectedSprites()) new FlxPoint(s.x, s.y)];
mouseStartPos = FlxG.mouse.getWorldPosition();
}
public override function startDrag() {
super.startDrag();
if (_dragToSelectEnabled) {
var plugin = FlxG.plugins.get(DragToSelectPlugin);
if (plugin.selectedSprites().indexOf(this) == -1)
plugin.deselectSprites();
}
resetStartPos();
}
public override function stopDrag() {
super.stopDrag();
}
private var rotationPadding = new FlxPoint();
public function getRotationPadding() {
return rotationPadding.copyTo();
@@ -71,7 +97,7 @@ class KissExtendedSprite extends flixel.addons.display.FlxExtendedSprite {
}
}
_rot(this, deg);
for (c in connectedSprites) {
for (c in connectedAndSelectedSprites()) {
if (c != this) {
_rot(c, deg);
}
@@ -79,6 +105,7 @@ class KissExtendedSprite extends flixel.addons.display.FlxExtendedSprite {
resetStartPos();
}
var _dragToSelectEnabled = false;
public function enableDragToSelect(?state:FlxState) {
var plugin = FlxG.plugins.get(DragToSelectPlugin);
if (plugin == null) {
@@ -86,6 +113,7 @@ class KissExtendedSprite extends flixel.addons.display.FlxExtendedSprite {
FlxG.plugins.add(plugin);
}
plugin.enableSprite(this, state, thisCamera());
_dragToSelectEnabled = true;
}
override function update(elapsed:Float) {
@@ -100,8 +128,9 @@ class KissExtendedSprite extends flixel.addons.display.FlxExtendedSprite {
var nextPos = dragStartPos.copyTo().addPoint(mouseTotalMovement);
x = nextPos.x;
y = nextPos.y;
for (i in 0...connectedSprites.length) {
var sprite = connectedSprites[i];
var l = connectedAndSelectedSprites();
for (i in 0...l.length) {
var sprite = l[i];
var startPos = connectedSpritesStartPos[i];
var nextPos = startPos.copyTo().addPoint(mouseTotalMovement);
sprite.x = nextPos.x;