bassguitarbill/top-down-action-adventure
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Implement collidable tiles

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This commit is contained in:
Bill Rossi 2025-06-07 10:34:40 -04:00
parent 8537af9f08
commit d14864c604
4 changed files with 261 additions and 4 deletions
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7
src/player.js
View File

@ -27,6 +27,13 @@ export default class Player extends Actor {
this.x += this.xVel this.x += this.xVel
this.y += this.yVel this.y += this.yVel
const tur = this.game.currentRoom.tilesUnderRectangle(this.game.currentRoom.json.layers[0], this).filter(x => x)
const colliders = tur.filter(tile => tile.properties.find(prop => prop.name == "collides" && prop.value))
if (tur.length >= 1) {
this.x -= this.xVel
this.y -= this.yVel
}
if (!isZeroVector(dir)) this.playerDirection = dir if (!isZeroVector(dir)) this.playerDirection = dir
if (this.isInputPressed("interact")) this.createInteractHitbox() if (this.isInputPressed("interact")) this.createInteractHitbox()

29
src/room.js
View File

@ -9,10 +9,6 @@ export default class Room {
this.objects = objectJson.map(RoomObject.fromJson.bind(null, this.game)) this.objects = objectJson.map(RoomObject.fromJson.bind(null, this.game))
} }
tick(dt) {
this.objects.forEach(object => object.tick(dt))
}
get tilesetsToLoad() { get tilesetsToLoad() {
const ts = {} const ts = {}
this.json.tilesets.forEach((tileset, index) => { this.json.tilesets.forEach((tileset, index) => {
@ -37,6 +33,22 @@ export default class Room {
if (layer.type == "tilelayer") this.drawTileLayer(ctx, layer) if (layer.type == "tilelayer") this.drawTileLayer(ctx, layer)
} }
tilesUnderRectangle(layer, rect) {
return [{ x: rect.x, y: rect.y },
{ x: rect.x + rect.width, y: rect.y },
{ x: rect.x, y: rect.y + rect.height },
{ x: rect.x + rect.width, y: rect.y + rect.height }
].map(point => {
const tileset = this.tilesets[0]
const { x, y } = point
const tileX = Math.floor(x / tileset.tileWidth)
const tileY = Math.floor(y / tileset.tileHeight)
const index = tileX + (tileY * layer.width)
const tileIndex = layer.data[index] - 1
return tileset.tileAt(tileIndex)
})
}
drawTileLayer(ctx, layer) { drawTileLayer(ctx, layer) {
for (let y = 0; y < layer.height; y++) { for (let y = 0; y < layer.height; y++) {
for (let x = 0; x < layer.width; x++) { for (let x = 0; x < layer.width; x++) {
@ -55,6 +67,15 @@ export default class Room {
this.json.tilewidth, this.json.tilewidth,
this.json.tileheight this.json.tileheight
) )
if (tileset.collides(tileIndex)) {
ctx.fillStyle = "#aa660088"
ctx.fillRect(
x * this.json.tilewidth,
y * this.json.tileheight,
this.json.tilewidth,
this.json.tileheight
)
}
} }
} }
} }

12
src/tileset.js
View File

@ -3,6 +3,7 @@ export default class Tileset {
this.game = game this.game = game
this.json = json this.json = json
this.name = name this.name = name
this.tiles = json.tiles
} }
get imagesToLoad() { get imagesToLoad() {
@ -33,4 +34,15 @@ export default class Tileset {
(Math.floor(index / this.columns) * this.tileHeight) (Math.floor(index / this.columns) * this.tileHeight)
] ]
} }
tileAt(index) {
return this.tiles.find(tile => tile.id == index)
}
collides(index) {
const tile = this.tileAt(index)
if (!tile) return
return tile.properties.find(prop => prop.name == "collides").value == "true"
}
} }

217
tilesets/kenney_rpg.tsj
View File

@ -8,6 +8,223 @@
"tilecount":260, "tilecount":260,
"tiledversion":"1.11.2", "tiledversion":"1.11.2",
"tileheight":64, "tileheight":64,
"tiles":[
{
"id":60,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":61,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":62,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":63,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":64,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":65,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":66,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":80,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":81,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":82,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":83,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":84,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":85,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":86,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":100,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":101,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":102,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":103,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":144,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":145,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":146,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":164,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":165,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
},
{
"id":166,
"properties":[
{
"name":"collides",
"type":"bool",
"value":true
}]
}],
"tilewidth":64, "tilewidth":64,
"type":"tileset", "type":"tileset",
"version":"1.10" "version":"1.10"