cubicjs/client/src/block.ts
2024-12-22 01:29:44 +03:00

167 lines
No EOL
4 KiB
TypeScript

class Block {
public x: number
public y: number
public color: string
public collides: boolean
public type: string
constructor(
x: number,
y: number,
color: string,
collides: boolean,
type: string,
) {
this.x = x
this.y = y
this.color = color
this.collides = collides
this.type = type
}
render() {
let rect = this.translate_to_camera()
if (this.is_need_render(rect)) {
ctx.fillStyle = this.color
ctx.fillRect(...rect)
}
}
is_need_render(rect: Rect): boolean {
return rect[0] + rect[2] > 0 || rect[1] + rect[3] > 0 || rect[0] < width || rect[1] < height
}
translate_to_camera(): Rect {
let size = camera.size * 16
return [
this.x * size - size / 2 + (width / 2 - camera.x * size),
height - (this.y + 1) * size + size / 2 - (height / 2 - camera.y * size),
size,
size
]
}
tick() {
}
renderTick() {
}
on_collide(player: Player, x: number, y: number) {
if (x != 0) player.velocity_x = this.x + x - player.x
if (y != 0) player.velocity_y = this.y + y - player.y
}
renderText() {
}
}
class Player extends Block {
public velocity_x: number
public velocity_y: number
public name: string
public on_ground: boolean
constructor(
x: number,
y: number,
name: string,
color: string,
velocity_x: number,
velocity_y: number,
) {
super(x, y, color, true, null)
this.velocity_x = velocity_x
this.velocity_y = velocity_y
this.name = name
}
reset() {
this.on_ground = false
}
on_collide(player: Player, x: number, y: number) {
super.on_collide(player, x, y)
// if (x != 0) {
// player.vel_x *= 0.5
// this.vel_x = player.vel_x
// }
// if (y != 0) {
// player.vel_y *= 0.5
// this.vel_y = player.vel_y
// }
}
tick(collide=true) {
this.x = Math.round(this.x * 100) / 100
this.y = Math.round(this.y * 100) / 100
this.velocity_x = Math.round(this.velocity_x * 100) / 100
this.velocity_y = Math.round(this.velocity_y * 100) / 100
if (collide) this.collide()
}
collide() {
this.on_ground = false
for (const block of blocks) {
if (!block.collides) continue
let collide_x = 0
let collide_y = 0
if (this.x > block.x-1 && this.x < block.x+1) {
if (this.y > block.y && this.y + this.velocity_y - 1 < block.y) {
this.on_ground = true
collide_y = 1
}
if (this.y < block.y && this.y + this.velocity_y > block.y - 1) collide_y = -1
}
if (this.y > block.y-1 && this.y < block.y+1) {
if (this.x > block.x && this.x + this.velocity_x - 1 < block.x) collide_x = 1
if (this.x < block.x && this.x + this.velocity_x > block.x - 1) collide_x = -1
}
block.on_collide(this, collide_x, collide_y)
}
}
renderTick() {
this.velocity_x *= 0.5
this.velocity_y *= 0.5
this.x += this.velocity_x
this.y += this.velocity_y
}
renderText() {
super.renderText()
let rect = this.translate_to_camera()
if (this.is_need_render(rect)) {
ctx.fillStyle = "#ddd"
ctx.font = "15px monospace";
let width = ctx.measureText(this.name).width
ctx.fillText(this.name,rect[0]+rect[2]/2-width/2, rect[1]-5);
}
}
teleport(x: number, y: number) {
this.velocity_x = x - this.x
this.velocity_y = y - this.y
}
forceTeleport(x: number, y: number) {
this.x = x
this.y = y
this.velocity_x = 0
this.velocity_y = 0
}
}