experiments/cellular-automata
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Make Simulation dirty-flag public

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Unknown 2018-10-21 13:55:15 +02:00
parent 1f435617da
commit 66c273c783
1 changed files with 9 additions and 10 deletions
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19
lib/src/Simulation.dart
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@ -14,8 +14,7 @@ class Simulation {
RuleSet rules = GameOfLife(); RuleSet rules = GameOfLife();
bool _dirty = true; bool dirty = true;
bool get dirty => _dirty;
bool _renderEdges = true; bool _renderEdges = true;
bool get renderEdges => _renderEdges; bool get renderEdges => _renderEdges;
@ -38,8 +37,8 @@ class Simulation {
Grid<bool> reset([Grid<bool> map]) { Grid<bool> reset([Grid<bool> map]) {
map ??= this.map; map ??= this.map;
_dirty = true; // dirty = true;
map.setAll(0, List.filled(map.length, false)); // map.setAll(0, List.filled(map.length, false));
return map; return map;
} }
@ -61,7 +60,7 @@ class Simulation {
if (sanityCheck > 100 && sanityCheck > i * 3) break; if (sanityCheck > 100 && sanityCheck > i * 3) break;
} }
_dirty = true; dirty = true;
} }
void setCellState(int x, int y, bool state) { void setCellState(int x, int y, bool state) {
@ -91,7 +90,7 @@ class Simulation {
void mergeStateChanges(Map<int, bool> stateChanges) { void mergeStateChanges(Map<int, bool> stateChanges) {
stateChanges.forEach((i, el) => map[i] = el); stateChanges.forEach((i, el) => map[i] = el);
if (stateChanges.length != 0) _dirty = true; if (stateChanges.length != 0) dirty = true;
} }
Map<int, bool> calculateNextState(Grid<bool> oldState) { Map<int, bool> calculateNextState(Grid<bool> oldState) {
@ -127,7 +126,7 @@ class Simulation {
void render(html.CanvasElement canvas, [num interp]) { void render(html.CanvasElement canvas, [num interp]) {
// only renders if any cells changed between renders // only renders if any cells changed between renders
if (!_dirty) return; if (!dirty) return;
html.CanvasRenderingContext2D ctx = canvas.getContext('2d'); html.CanvasRenderingContext2D ctx = canvas.getContext('2d');
int brickW = (canvas.width ~/ map.width); int brickW = (canvas.width ~/ map.width);
@ -146,18 +145,18 @@ class Simulation {
ctx.setFillColorRgb(0, 0, 0); ctx.setFillColorRgb(0, 0, 0);
ctx.fillRect(p.x * brickW, p.y * brickH, brickW, brickH); ctx.fillRect(p.x * brickW, p.y * brickH, brickW, brickH);
} }
_dirty = false; dirty = false;
} }
void set renderEdges(bool on) { void set renderEdges(bool on) {
_renderEdges = on; _renderEdges = on;
_dirty = true; dirty = true;
} }
void saveSnapshot() => _snapshot = Grid.from(map); void saveSnapshot() => _snapshot = Grid.from(map);
Grid<bool> loadSnapshot() { Grid<bool> loadSnapshot() {
map = Grid.from(_snapshot); map = Grid.from(_snapshot);
_dirty = true; dirty = true;
return map; return map;
} }
} }