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asteroid stages

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Donald Ball 2025-11-14 17:10:40 -05:00
parent 78cd6176a8
commit 73cae82662
1 changed files with 68 additions and 38 deletions
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106
main.lua
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@ -3,36 +3,59 @@ local love = require("love")
function love.load() function love.load()
arenaWidth = 800 arenaWidth = 800
arenaHeight = 600 arenaHeight = 600
shipX = arenaWidth / 2
shipY = arenaHeight / 2
shipAngle = 0
shipSpeedX = 0
shipSpeedY = 0
shipRadius = 30 shipRadius = 30
bullets = {}
bulletTimerLimit = 0.5 bulletTimerLimit = 0.5
bulletTimer = bulletTimerLimit
bulletRadius = 5 bulletRadius = 5
asteroids = { asteroidStages = {
{ {
x = 100, speed = 120,
y = 100, radius = 15,
}, },
{ {
x = arenaWidth - 100, speed = 70,
y = 100, radius = 30,
}, },
{ {
x = arenaWidth / 2, speed = 50,
y = arenaHeight - 100, radius = 50,
} },
{
speed = 20,
radius = 80,
},
} }
for asteroidIndex, asteroid in ipairs(asteroids) do
asteroid.angle = love.math.random() * (2 * math.pi) function reset()
shipX = arenaWidth / 2
shipY = arenaHeight / 2
shipAngle = 0
shipSpeedX = 0
shipSpeedY = 0
bullets = {}
bulletTimer = bulletTimerLimit
asteroids = {
{
x = 100,
y = 100,
},
{
x = arenaWidth - 100,
y = 100,
},
{
x = arenaWidth / 2,
y = arenaHeight - 100,
}
}
for asteroidIndex, asteroid in ipairs(asteroids) do
asteroid.angle = love.math.random() * (2 * math.pi)
asteroid.stage = #asteroidStages
end
end end
asteroidRadius = 80
reset()
end end
function love.update(dt) function love.update(dt)
@ -70,20 +93,24 @@ function love.update(dt)
end end
for asteroidIndex = #asteroids, 1, -1 do for asteroidIndex = #asteroids, 1, -1 do
local asteroid = asteroids[asteroidIndex] local asteroid = asteroids[asteroidIndex]
if areCirclesIntersecting(bullet.x, bullet.y, bulletRadius, asteroid.x, asteroid.y, asteroidRadius) then if areCirclesIntersecting(bullet.x, bullet.y, bulletRadius, asteroid.x, asteroid.y, asteroidStages[asteroid.stage].radius) then
table.remove(bullets, bulletIndex) table.remove(bullets, bulletIndex)
local angle1 = love.math.random() * (2 * math.pi) if asteroid.stage > 1 then
local angle2 = (angle1 - math.pi) % (2 * math.pi) local angle1 = love.math.random() * (2 * math.pi)
table.insert(asteroids, { local angle2 = (angle1 - math.pi) % (2 * math.pi)
x = asteroid.x, table.insert(asteroids, {
y = asteroid.y, x = asteroid.x,
angle = angle1, y = asteroid.y,
}) angle = angle1,
table.insert(asteroids, { stage = asteroid.stage - 1,
x = asteroid.x, })
y = asteroid.y, table.insert(asteroids, {
angle = angle2, x = asteroid.x,
}) y = asteroid.y,
angle = angle2,
stage = asteroid.stage - 1,
})
end
table.remove(asteroids, asteroidIndex) table.remove(asteroids, asteroidIndex)
break break
end end
@ -104,15 +131,18 @@ function love.update(dt)
end end
for asteroidIndex, asteroid in ipairs(asteroids) do for asteroidIndex, asteroid in ipairs(asteroids) do
local asteroidSpeed = 20 asteroid.x = (asteroid.x + math.cos(asteroid.angle) * asteroidStages[asteroid.stage].speed * dt) % arenaWidth
asteroid.x = (asteroid.x + math.cos(asteroid.angle) * asteroidSpeed * dt) % arenaWidth asteroid.y = (asteroid.y + math.sin(asteroid.angle) * asteroidStages[asteroid.stage].speed * dt) % arenaHeight
asteroid.y = (asteroid.y + math.sin(asteroid.angle) * asteroidSpeed * dt) % arenaHeight
if areCirclesIntersecting(shipX, shipY, shipRadius, asteroid.x, asteroid.y, asteroidRadius) then if areCirclesIntersecting(shipX, shipY, shipRadius, asteroid.x, asteroid.y, asteroidStages[asteroid.stage].radius) then
love.load() reset()
break break
end end
end end
if #asteroids == 0 then
reset()
end
end end
function love.draw() function love.draw()
@ -133,12 +163,12 @@ function love.draw()
for bulletIndex, bullet in ipairs(bullets) do for bulletIndex, bullet in ipairs(bullets) do
love.graphics.setColor(0, 1, 0) love.graphics.setColor(0, 1, 0)
love.graphics.circle('fill', bullet.x, bullet.y, 5) love.graphics.circle('fill', bullet.x, bullet.y, bulletRadius)
end end
for asteroidIndex, asteroid in ipairs(asteroids) do for asteroidIndex, asteroid in ipairs(asteroids) do
love.graphics.setColor(1, 1, 0) love.graphics.setColor(1, 1, 0)
love.graphics.circle('fill', asteroid.x, asteroid.y, asteroidRadius) love.graphics.circle('fill', asteroid.x, asteroid.y, asteroidStages[asteroid.stage].radius)
end end
end end
end end