experiments/cellular-automata
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Preliminary Move of Renderr

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NON-WORKING STATE. interim commit.
This commit is contained in:
Unknown 2018-10-25 17:40:55 +02:00
parent d79aceeebf
commit d80e149dbc
3 changed files with 53 additions and 46 deletions
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17
lib/src/Engine.dart
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@ -1,5 +1,6 @@
import 'dart:html' as html;
import 'package:rules_of_living/src/Renderer.dart';
import 'package:rules_of_living/src/Simulation.dart';
class Engine {
@ -37,7 +38,12 @@ class Engine {
/// be used if no canvas was defined at engine creation and it should be
/// rendered later.
html.CanvasElement canvas;
Simulation _simulation;
Map<int, bool> _lastSimulationUpdate = {};
Renderer _renderer;
bool running = false;
Engine() {
@ -70,6 +76,7 @@ class Engine {
}
}
// TODO Should be renamed to something more intention revealing like hasReachedUpdateTimestepThreshold
bool _shouldUpdate(int updateLag, int elapsed, int timeOut) {
if (updateLag < _MS_PER_STEP) return false;
if (elapsed > timeOut) throw StackOverflowError;
@ -85,10 +92,10 @@ class Engine {
void update() {
if (_simulation == null) return;
Map<int, bool> simulationUpdate = _simulation.update();
_simulation.mergeStateChanges(simulationUpdate);
_lastSimulationUpdate = _simulation.update();
_simulation.mergeStateChanges(_lastSimulationUpdate);
if (simulationUpdate.length == 0) running = false;
if (_lastSimulationUpdate.length == 0) running = false;
}
/// Advances Logic One Update
@ -107,9 +114,9 @@ class Engine {
/// the internal engine processing. Does not do anything if no canvas is
/// defined.
void render([num interp]) {
if (canvas == null || _simulation == null) return;
if (canvas == null || _renderer == null) return;
_simulation.render(canvas, interp);
_renderer.render(canvas, _lastSimulationUpdate);
}
void set simulation(Simulation value) => _simulation = value;