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game: simplify detection effect

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He4eT 2025-06-06 18:42:46 +02:00
commit beac3b50c0
1 changed files with 20 additions and 18 deletions
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34
game.js
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@ -156,7 +156,7 @@ function spawn() {
x: enemy.x[0], x: enemy.x[0],
y: enemy.y[0], y: enemy.y[0],
}, },
frames: [...Array(5).fill(4)], frames: Array(5).fill(4),
}) })
}) })
} }
@ -237,22 +237,25 @@ function drawFX() {
rect(to.x - frames.length, 0, frames.length * 2, SCREEN_W, color) rect(to.x - frames.length, 0, frames.length * 2, SCREEN_W, color)
}, },
detection: ({ to, frames }) => { detection: ({ to, frames }) => {
// Array(5).fill(4)]
const color = frames.shift() const color = frames.shift()
const r = arena.spriteHalfSize const w = arena.spriteHalfSize
const d = frames.length + 2 * r const d = frames.length + 2 * w
const corners = [
[+1, +1],
[+1, -1],
[-1, +1],
[-1, -1],
]
line(to.x - d, to.y - d, to.x - d + r, to.y - d + 0, color) corners.forEach(([dx, dy]) => {
line(to.x - d, to.y - d, to.x - d + 0, to.y - d + r, color) const x = to.x + dx * d
const y = to.y + dy * d
line(to.x + d, to.y - d, to.x + d - r, to.y - d + 0, color) line(x, y, x - dx * w, y, color)
line(to.x + d, to.y - d, to.x + d - 0, to.y - d + r, color) line(x, y, x, y - dy * w, color)
})
line(to.x + d, to.y + d, to.x + d - r, to.y + d + 0, color) },
line(to.x + d, to.y + d, to.x + d - 0, to.y + d - r, color)
line(to.x - d, to.y + d, to.x - d + r, to.y + d + 0, color)
line(to.x - d, to.y + d, to.x - d + 0, to.y + d - r, color)
}
})[effect.type](effect), })[effect.type](effect),
) )
@ -272,7 +275,7 @@ function drawPlayer() {
// Utils // Utils
function rnd(from, to) { function rnd(from, to) {
return Math.floor(Math.random() * (to - from + 1)) + from; return Math.floor(Math.random() * (to - from + 1)) + from
} }
// Constants // Constants
@ -336,4 +339,3 @@ const [BTN_U, BTN_D, BTN_L, BTN_R, BTN_A, BTN_B, BTN_X, BTN_Y] = [
// <PALETTE> // <PALETTE>
// 000:000000002b36073642586e75657b8383949693a1a1ffffffb58900cb4b16dc322fd336826c71c4268bd22aa198859900 // 000:000000002b36073642586e75657b8383949693a1a1ffffffb58900cb4b16dc322fd336826c71c4268bd22aa198859900
// </PALETTE> // </PALETTE>