59 lines
1.2 KiB
JavaScript
59 lines
1.2 KiB
JavaScript
var Container = require("./Container"),
|
|
TileSprite = require("./TileSprite")
|
|
;
|
|
|
|
class TileMap extends Container {
|
|
constructor(tiles, mapW, mapH, tileW, tileH, texture) {
|
|
super();
|
|
this.mapW = mapW;
|
|
this.mapH = mapH;
|
|
this.tileW = tileW;
|
|
this.tileH = tileH;
|
|
this.w = mapW * tileW;
|
|
this.h = mapH * tileH;
|
|
|
|
this.children = tiles.map((frame, i) => {
|
|
const s = new TileSprite(texture, tileW, tileH);
|
|
s.frame = frame;
|
|
s.pos.x = i % mapW * tileW;
|
|
s.pos.y = Math.floor(i / mapW) * tileH;
|
|
return s;
|
|
});
|
|
}
|
|
|
|
pixelToMapPos(pos) {
|
|
const { tileW, tileH } = this;
|
|
return {
|
|
x: Math.floor(pos.x / tileW),
|
|
y: Math.floor(pos.y / tileH)
|
|
};
|
|
}
|
|
|
|
mapToPixelPos(mapPos) {
|
|
const { tileW, tileH } = this;
|
|
return {
|
|
x: mapPos.x * tileW,
|
|
y: mapPos.y * tileH
|
|
};
|
|
}
|
|
|
|
tileAtMapPos(mapPos) {
|
|
return this.children[mapPos.y * this.mapW + mapPos.x];
|
|
}
|
|
|
|
tileAtPixelPos(pos) {
|
|
return this.tileAtMapPos(this.pixelToMapPos(pos));
|
|
}
|
|
|
|
setFrameAtMapPos(mapPos, frame) {
|
|
const tile = this.tileAtMapPos(mapPos);
|
|
tile.frame = frame;
|
|
return tile;
|
|
}
|
|
|
|
setFrameAtPixelPos(pos, frame) {
|
|
return this.setFrameAtMapPos(this.pixelToMapPos(pos), frame);
|
|
}
|
|
}
|
|
|
|
module.exports = TileMap; |