experiments/cellular-automata
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make canvas argument optional on instantiating engine

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This commit is contained in:
Marty Oehme 2018-08-24 20:02:43 +02:00
parent 1bd324a406
commit 842cbeca1f
2 changed files with 19 additions and 4 deletions
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11
lib/src/Engine.dart
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@ -6,7 +6,7 @@ class Engine {
// Elapsed Time Counter - useful for Safety Timeout
Stopwatch _elapsed = new Stopwatch();
// Game Tick Rate - *does* impact game speed
// Game Tick Rate - *does* impact game speed TODO add configurable option
int _MS_PER_STEP = 1000 ~/ 3;
// Max Frame (i.e. Rendering) rate - does *not* impact game speed
@ -15,14 +15,18 @@ class Engine {
// ms stuck in updateloop after which game will declare itself unresponsive
final int SAFETY_TIMEOUT = 2000;
// Grid Size TODO add as configurable option
static final GRID_X = 100;
static final GRID_Y = 100;
num _updateLag = 0.0;
num _drawLag = 0.0;
final html.CanvasElement canvas;
Grid _grid = new Grid(100, 100);
Grid _grid = new Grid(GRID_X, GRID_Y);
bool _running = false;
Engine(this.canvas) {
Engine([this.canvas]) {
_elapsed.start();
_grid.addPattern(amount: 15, dispersal: 5);
}
@ -59,7 +63,6 @@ class Engine {
}
void update() {
// print("updating");
if (!_grid.update()) running = false;
}