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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()
arenaWidth = 800
arenaHeight = 600
shipX = arenaWidth / 2
shipY = arenaHeight / 2
shipAngle = 0
shipSpeedX = 0
shipSpeedY = 0
shipRadius = 30
bullets = {}
bulletTimerLimit = 0.5
bulletTimer = bulletTimerLimit
bulletRadius = 5
asteroids = {
asteroidStages = {
{
x = 100,
y = 100,
speed = 120,
radius = 15,
},
{
x = arenaWidth - 100,
y = 100,
speed = 70,
radius = 30,
},
{
x = arenaWidth / 2,
y = arenaHeight - 100,
}
speed = 50,
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
asteroidRadius = 80
reset()
end
function love.update(dt)
@ -70,20 +93,24 @@ function love.update(dt)
end
for asteroidIndex = #asteroids, 1, -1 do
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)
local angle1 = love.math.random() * (2 * math.pi)
local angle2 = (angle1 - math.pi) % (2 * math.pi)
table.insert(asteroids, {
x = asteroid.x,
y = asteroid.y,
angle = angle1,
})
table.insert(asteroids, {
x = asteroid.x,
y = asteroid.y,
angle = angle2,
})
if asteroid.stage > 1 then
local angle1 = love.math.random() * (2 * math.pi)
local angle2 = (angle1 - math.pi) % (2 * math.pi)
table.insert(asteroids, {
x = asteroid.x,
y = asteroid.y,
angle = angle1,
stage = asteroid.stage - 1,
})
table.insert(asteroids, {
x = asteroid.x,
y = asteroid.y,
angle = angle2,
stage = asteroid.stage - 1,
})
end
table.remove(asteroids, asteroidIndex)
break
end
@ -104,15 +131,18 @@ function love.update(dt)
end
for asteroidIndex, asteroid in ipairs(asteroids) do
local asteroidSpeed = 20
asteroid.x = (asteroid.x + math.cos(asteroid.angle) * asteroidSpeed * dt) % arenaWidth
asteroid.y = (asteroid.y + math.sin(asteroid.angle) * asteroidSpeed * dt) % arenaHeight
asteroid.x = (asteroid.x + math.cos(asteroid.angle) * asteroidStages[asteroid.stage].speed * dt) % arenaWidth
asteroid.y = (asteroid.y + math.sin(asteroid.angle) * asteroidStages[asteroid.stage].speed * dt) % arenaHeight
if areCirclesIntersecting(shipX, shipY, shipRadius, asteroid.x, asteroid.y, asteroidRadius) then
love.load()
if areCirclesIntersecting(shipX, shipY, shipRadius, asteroid.x, asteroid.y, asteroidStages[asteroid.stage].radius) then
reset()
break
end
end
if #asteroids == 0 then
reset()
end
end
function love.draw()
@ -133,12 +163,12 @@ function love.draw()
for bulletIndex, bullet in ipairs(bullets) do
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
for asteroidIndex, asteroid in ipairs(asteroids) do
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