experiments/cellular-automata
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Remove unused variable dispersal

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Unknown 2018-10-23 14:47:23 +02:00
parent 474adb740c
commit e840a3e580
2 changed files with 4 additions and 10 deletions
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2
lib/service/simulation_service.dart
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@ -14,7 +14,7 @@ class SimulationService {
SimulationService(this._engine, [Simulation sim])
: this._sim = sim ?? Simulation(DEFAULT_GRID_SIZE, DEFAULT_GRID_SIZE) {
_engine.simulation = _sim;
_sim.addRandomPattern(amount: 15, dispersal: 5);
_sim.addRandomPattern(amount: 15);
}
void reset() {

12
lib/src/Simulation.dart
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@ -10,7 +10,6 @@ class Simulation {
Grid<bool> _snapshot;
final int _RANDOM_PATTERN_AMOUNT = 20;
final int _RANDOM_PATTERN_DISPERSAL = 10;
final double _RANDOM_PATTERN_SPREAD_FROM_CENTER = 1 / 3;
RuleSet rules = GameOfLife();
@ -20,8 +19,6 @@ class Simulation {
bool _renderEdges = true;
bool get renderEdges => _renderEdges;
int _dispersal;
math.Point get gridSize => math.Point<int>(map.width, map.height);
void set gridSize(math.Point<int> value) {
if (value.x <= 0 || value.y <= 0)
@ -41,18 +38,16 @@ class Simulation {
return map;
}
void addRandomPattern(
{int seed, int amount, int dispersal, num spreadFromCenter}) {
void addRandomPattern({int seed, int amount, num spreadFromCenter}) {
math.Random rng = _getRNG(seed ?? DateTime.now().millisecondsSinceEpoch);
amount ??= rng.nextInt(_RANDOM_PATTERN_AMOUNT);
dispersal ??= _RANDOM_PATTERN_DISPERSAL;
spreadFromCenter ??= _RANDOM_PATTERN_SPREAD_FROM_CENTER;
int sanityCheck = 0;
Map<int, bool> changeSet = {};
for (var i = 0; i < (amount); i++) {
sanityCheck++;
math.Point cell = _getRandomPoint(rng, gridSize, spreadFromCenter);
math.Point cell = _getRandomPoint(rng, spreadFromCenter);
getCellState(cell.x, cell.y)
? i--
: changeSet[map.toIndex(cell.x, cell.y)] = true;
@ -66,8 +61,7 @@ class Simulation {
return rng;
}
math.Point<int> _getRandomPoint(
math.Random rng, math.Point size, num spreadFromCenter) {
math.Point<int> _getRandomPoint(math.Random rng, num spreadFromCenter) {
math.Point absoluteSpread =
math.Point(map.width * spreadFromCenter, map.height * spreadFromCenter);
math.Point center = math.Point(map.width / 2, map.height / 2);