110 lines
3.0 KiB
Dart
110 lines
3.0 KiB
Dart
import 'dart:html';
|
|
import 'package:browserloop/game/Game.dart';
|
|
import 'package:browserloop/game/LoopExample.dart';
|
|
import 'package:browserloop/src/03-FixedLoopVariableRender.dart';
|
|
import 'package:browserloop/src/02-AnimationFrameWhile.dart';
|
|
|
|
List<Example> examples = [
|
|
Example("While Loop Example","#while_output"),
|
|
Example("Fixed Update, Variable Render","#variable_output")
|
|
];
|
|
LoopExample active;
|
|
|
|
class Example {
|
|
final String query;
|
|
final String name;
|
|
CanvasElement canvas = CanvasElement(width: 480, height: 480);
|
|
LoopExample loop;
|
|
|
|
Example(this.name, this.query);
|
|
}
|
|
|
|
void main() {
|
|
examples.forEach((ex) {
|
|
appendToDOM(ex);
|
|
});
|
|
resetPlaceHolders();
|
|
}
|
|
|
|
void appendToDOM(Example example) {
|
|
querySelector(example.query).append(example.canvas);
|
|
example.canvas.onClick.forEach(activate);
|
|
print("${example.query} appended");
|
|
}
|
|
|
|
void readdToDOM(Example example) {
|
|
querySelector(example.query).children.clear();
|
|
print("${example.query} removed");
|
|
appendToDOM(example);
|
|
}
|
|
|
|
void resetPlaceHolders([Example current]) {
|
|
examples.forEach((Example ex) {
|
|
if(current == null || ex != current) {
|
|
if(ex.loop != null) {
|
|
ex.loop.stop();
|
|
ex.loop = null;
|
|
}
|
|
ex.canvas = new CanvasElement(width: ex.canvas.width,height: ex.canvas.height);
|
|
readdToDOM(ex);
|
|
|
|
CanvasRenderingContext2D ctx = ex.canvas.context2D;
|
|
Point c = Point(ex.canvas.width/2, ex.canvas.height/2);
|
|
ctx.setFillColorRgb(255, 150, 10);
|
|
ctx.fillRect(0, 0, ex.canvas.width, ex.canvas.height);
|
|
|
|
ctx.beginPath();
|
|
ctx.moveTo(c.x-25, c.y-25);
|
|
ctx.lineTo(c.x+25, c.y+25);
|
|
ctx.lineTo(c.x-25, c.y+75);
|
|
ctx.closePath();
|
|
ctx.lineWidth = 10;
|
|
ctx.setStrokeColorRgb(155, 155, 155);
|
|
ctx.setFillColorRgb(255, 255, 255);
|
|
ctx.stroke();
|
|
ctx.fill();
|
|
ctx.fillText(ex.name, c.x - ctx.measureText(ex.name).width/2, c.y - 50);
|
|
|
|
print("reset ${ex.query}");
|
|
}
|
|
});
|
|
}
|
|
|
|
void activate(MouseEvent e) {
|
|
if(e.target is! CanvasElement) return;
|
|
CanvasElement c = (e.target as CanvasElement);
|
|
|
|
examples.forEach((Example ex) {
|
|
if (ex.canvas == c) {
|
|
resetPlaceHolders(ex);
|
|
switch (ex.query) {
|
|
case "#while_output":
|
|
ex.loop = new WhileLoop(new Game(c));
|
|
break;
|
|
case "#variable_output":
|
|
ex.loop = new FixedLoopVariableRender(new Game(c));
|
|
break;
|
|
}
|
|
|
|
querySelector(ex.query).append(new ButtonElement()
|
|
..text = "start"
|
|
..onClick.listen((e) {
|
|
ex.loop.stop();
|
|
ex.loop.start();
|
|
}));
|
|
querySelector(ex.query).append(new ButtonElement()
|
|
..text = "stop"
|
|
..onClick.listen((e) {
|
|
ex.loop.stop();
|
|
}));
|
|
// querySelector('#reset').onClick.listen((e) => ex.loop.game.reset());
|
|
// querySelector('#plus').onClick.listen((e) => _changeGrid(-5));
|
|
// querySelector('#minus').onClick.listen((e) => _changeGrid(5));
|
|
}
|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
|
//when a button is clicked delete all the other Loops containing games and replace them with a canvas (fn above) |