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game: fx prototype

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He4eT 2025-06-05 19:26:47 +02:00
commit f18b4dff7a
1 changed files with 59 additions and 6 deletions
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65
game.js
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@ -47,6 +47,8 @@ let player = {
let enemies = []
let effects = []
// Main Menu
function mainMenu() {
@ -88,7 +90,7 @@ function gameplay() {
drawInterface()
drawArena()
// drawFX()
drawFX()
drawEnemies()
drawPlayer()
}
@ -112,6 +114,25 @@ function handleMoves() {
function handleMorse() {
player.sprite = btn(BTN_B) ? 65 : 64
if (btnp(BTN_B, 100, 100)) {
if (enemies.length > 0) {
effects.unshift({
type: 'laser',
from: {
x: player.x,
y: player.y,
},
to: {
x: enemies[0].x[0],
y: enemies[0].y[0],
},
frameColors: [1, 2, 3, 4, 7, 7, 7, 6, 5, 4, 3, 2, 1],
})
enemies.shift()
trace(enemies.length)
}
}
}
// Enemies
@ -120,8 +141,8 @@ function spawn() {
if (enemies.length === 0) {
enemies = [
{
x: [100],
y: [50],
x: [Math.random() * arena.right],
y: [Math.random() * arena.bottom],
type: 'zombie',
dangerZone: 8,
},
@ -144,12 +165,21 @@ function checkColisions() {
// Draw
function arenaToScreen({ x, y }) {
return {
x: x + arena.x,
y: y + arena.y,
}
}
function drawSprite(spriteIndex, x, y) {
const colorkey = 0
const center = arenaToScreen({ x, y })
spr(
spriteIndex,
arena.x + x - arena.spriteHalfSize,
arena.y + y - arena.spriteHalfSize,
center.x - arena.spriteHalfSize,
center.y - arena.spriteHalfSize,
colorkey,
)
}
@ -162,6 +192,29 @@ function drawArena() {
map(0, 0, 30, 15)
}
function drawFX() {
const laser = (effect) => {
const color = effect.frameColors.shift()
const from = arenaToScreen(effect.from)
const to = arenaToScreen(effect.to)
line(from.x, from.y, to.x, to.y, color)
circ(from.x, from.y, effect.frameColors.length / 2, color)
circ(to.x, to.y, effect.frameColors.length / 2, color)
circb(to.x, to.y, effect.frameColors.length, color + 3)
}
effects.forEach((effect) =>
({
laser,
})[effect.type](effect),
)
effects = effects.filter(({ frameColors }) => frameColors.length > 0)
}
function drawEnemies() {
enemies
.map((enemy) => [80, enemy.x[0], enemy.y[0]])
@ -227,5 +280,5 @@ const [BTN_U, BTN_D, BTN_L, BTN_R, BTN_A, BTN_B, BTN_X, BTN_Y] = [
// </TRACKS>
// <PALETTE>
// 000:000000002b36073642586e75657b8383949693a1a1eee8d5b58900cb4b16dc322fd336826c71c4268bd22aa198859900
// 000:000000002b36073642586e75657b8383949693a1a1ffffffb58900cb4b16dc322fd336826c71c4268bd22aa198859900
// </PALETTE>