experiments/cellular-automata
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Remove Cell Data Structure

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Cells are only boolean values of true or false for now.
This commit is contained in:
Unknown 2018-10-16 18:21:01 +02:00
parent 71f4df85af
commit 245d9a22c2
1 changed files with 32 additions and 27 deletions
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59
lib/src/Simulation.dart
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@ -1,13 +1,12 @@
import 'dart:html' as html; import 'dart:html' as html;
import 'dart:math' as math; import 'dart:math' as math;
import 'package:rules_of_living/src/Cell.dart';
import 'package:rules_of_living/src/Grid.dart'; import 'package:rules_of_living/src/Grid.dart';
enum CellPattern { SpaceShip, Blinker } enum CellPattern { SpaceShip, Blinker }
class Simulation { class Simulation {
final Grid<Cell> map; final Grid<bool> map;
bool _dirty = true; bool _dirty = true;
bool _renderEdges = true; bool _renderEdges = true;
@ -23,19 +22,12 @@ class Simulation {
int get h => map.height; int get h => map.height;
Simulation(int w, int h) : this.map = new Grid(w, h) { Simulation(int w, int h) : this.map = new Grid(w, h) {
for (int i = 0; i < map.length; i++) { reset();
map[i] = _getGOLCell(); print("Grid Created");
}
print("Grid creation finished");
}
Cell _getGOLCell([bool defaultState = false]) {
Cell cell = Cell();
return cell;
} }
void reset() { void reset() {
map.setAll(0, List.filled(map.length, _getGOLCell())); map.setAll(0, List.filled(map.length, false));
if (_startingSeed != null) if (_startingSeed != null)
addPattern( addPattern(
pattern: _pattern, pattern: _pattern,
@ -105,33 +97,46 @@ class Simulation {
} }
void setCellState(int x, int y, bool state) { void setCellState(int x, int y, bool state) {
if (y >= map.height || x >= map.width) return; if (y >= map.height || x >= map.width) return null;
state ? map.set(x, y, Cell()) : map.set(x, y, null); state ? map.set(x, y, true) : map.set(x, y, false);
} }
bool getCellState(int x, int y) { bool getCellState(int x, int y) {
if (y >= map.height || x >= map.width) return null; if (y >= map.height || x >= map.width) return null;
return map.get(x, y) == null ? false : true; return map.get(x, y);
} }
Map<int, Cell> update() { void toggleCellState(int x, int y) {
Map<int, Cell> stateChanges = Map(); if (y >= map.height || x >= map.width) return null;
getCellState(x, y) == null
? setCellState(x, y, true)
: setCellState(x, y, false);
}
Map<int, bool> update() {
Map<int, bool> stateChanges = calculateNextState(map);
stateChanges.forEach((i, el) => map[i] = el);
stateChanges.length != 0 ? _dirty = true : false;
return stateChanges;
}
Map<int, bool> calculateNextState(Grid<bool> oldState) {
Map<int, bool> stateChanges = Map();
for (int i = 0; i < map.length; i++) { for (int i = 0; i < map.length; i++) {
math.Point p = map.toCoordinates(i); math.Point p = map.toCoordinates(i);
Cell el = map[i]; bool cell = map[i];
bool changed = false;
int neighbors = getSurroundingNeighbors(p.x, p.y, 1); int neighbors = getSurroundingNeighbors(p.x, p.y, 1);
if (el == null && neighbors == 3) { if (cell == false && neighbors == 3) {
stateChanges[i] = Cell(); stateChanges[i] = true;
} else if (el != null && neighbors != 2 && neighbors != 3) { } else if (cell == true && neighbors != 2 && neighbors != 3) {
stateChanges[i] = null; stateChanges[i] = false;
} }
} }
stateChanges.forEach((i, el) => map[i] = el);
stateChanges.length != 0 ? _dirty = true : false;
return stateChanges; return stateChanges;
} }
@ -143,7 +148,7 @@ class Simulation {
iy >= 0 && iy >= 0 &&
ix < map.width && ix < map.width &&
iy < map.height && iy < map.height &&
map.get(ix, iy) != null && getCellState(ix, iy) == true &&
!(x == ix && y == iy)) count++; !(x == ix && y == iy)) count++;
} }
} }
@ -165,7 +170,7 @@ class Simulation {
ctx.strokeRect(p.x * brickW, p.y * brickH, brickW, brickH); ctx.strokeRect(p.x * brickW, p.y * brickH, brickW, brickH);
} }
if (map[i] != null) if (map[i] == true)
ctx.setFillColorRgb(155, 155, 255); ctx.setFillColorRgb(155, 155, 255);
else else
ctx.setFillColorRgb(0, 0, 0); ctx.setFillColorRgb(0, 0, 0);