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selector

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This commit is contained in:
Luan Nico
2020-09-14 23:34:51 -04:00
parent adb4cc2336
commit 86ca1990cc
5 changed files with 37 additions and 15 deletions
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29
doc/examples/isometric/lib/main.dart
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@ -24,11 +24,7 @@ class Selector extends SpriteComponent {
bool show = false;
Selector(double s)
: super.fromSprite(
s,
s,
Sprite('tiles.png', x: 64, y: 0, width: 32, height: 32),
);
: super.fromSprite(s, s, Sprite('selector.png', width: 32, height: 32));
@override
void render(Canvas canvas) {
@ -50,7 +46,7 @@ class MyGame extends BaseGame with MouseMovementDetector {
void init() async {
final tileset = await IsometricTileset.load('tiles.png', 32);
final layer0 = [
[-1, 1, 1, 1, 0, 0],
[3, 1, 1, 1, 0, 0],
[-1, 1, 2, 1, 0, 0],
[-1, 0, 1, 1, 0, 0],
[-1, 1, 1, 1, 0, 0],
@ -91,13 +87,24 @@ class MyGame extends BaseGame with MouseMovementDetector {
add(selector = Selector(s.toDouble()));
}
@override
void render(Canvas canvas) {
super.render(canvas);
canvas.drawRect(
const Rect.fromLTWH(x - 1, y - 1, 3, 3),
Paint()..color = const Color(0xFFFF00FF),
);
}
@override
void onMouseMove(PointerHoverEvent event) {
if (base == null || selector == null) {
return; // loading
}
final screenPosition = Position.fromOffset(event.position);
final blockCoords = base.getBlock(screenPosition);
final blockPosition =
base.cartToIso(Position.fromInts(blockCoords.x * s, blockCoords.y * s));
selector.setByPosition(blockPosition.add(topLeft));
selector.show = true;
final block = base.getBlock(screenPosition);
selector.show = base.containsBlock(block);
selector.setByPosition(base.getBlockPosition(block).add(topLeft));
}
}