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use joystick for thrust, derive ship cockpit

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This commit is contained in:
Donald Ball 2025-11-15 14:25:47 -05:00
parent ae1616299b
commit 6c1338e3c2
1 changed files with 14 additions and 9 deletions
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23
asteroids/main.lua
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@ -24,7 +24,7 @@ local function initGame()
controls = { controls = {
ship = { ship = {
turnRate = 10, turnRate = 10,
thrustRate = 100, maxThrust = 200,
}, },
}, },
} }
@ -51,7 +51,10 @@ local function initState()
asteroid.angle = love.math.random() * (2 * math.pi) asteroid.angle = love.math.random() * (2 * math.pi)
asteroid.stage = #game.asteroids.stages asteroid.stage = #game.asteroids.stages
end end
local joystick = nil
if love.joystick.getJoystickCount() == 1 then
joystick = love.joystick.getJoysticks()[1]
end
return { return {
ship = { ship = {
x = game.width / 2, x = game.width / 2,
@ -66,6 +69,9 @@ local function initState()
bulletTimer = game.ship.bullet.timerLimit, bulletTimer = game.ship.bullet.timerLimit,
bullets = {}, bullets = {},
asteroids = asteroids, asteroids = asteroids,
controls = {
joystick = joystick,
}
} }
end end
@ -88,12 +94,11 @@ function love.update(dt)
end end
state.ship.angle = state.ship.angle % (2 * math.pi) state.ship.angle = state.ship.angle % (2 * math.pi)
if love.keyboard.isDown('up') then if state.controls.joystick ~= nil then
local shipSpeed = 100 local thrust = state.controls.joystick:getGamepadAxis('triggerright') * game.controls.ship.maxThrust
state.ship.speed.x = state.ship.speed.x + math.cos(state.ship.angle) * game.controls.ship.thrustRate * dt state.ship.speed.x = state.ship.speed.x + math.cos(state.ship.angle) * thrust * dt
state.ship.speed.y = state.ship.speed.y + math.sin(state.ship.angle) * game.controls.ship.thrustRate * dt state.ship.speed.y = state.ship.speed.y + math.sin(state.ship.angle) * thrust * dt
end end
state.ship.x = (state.ship.x + state.ship.speed.x * dt) % game.width state.ship.x = (state.ship.x + state.ship.speed.x * dt) % game.width
state.ship.y = (state.ship.y + state.ship.speed.y * dt) % game.height state.ship.y = (state.ship.y + state.ship.speed.y * dt) % game.height
@ -173,13 +178,13 @@ function love.draw()
love.graphics.translate(x * game.width, y * game.height) love.graphics.translate(x * game.width, y * game.height)
love.graphics.setColor(0, 0, 1) love.graphics.setColor(0, 0, 1)
love.graphics.circle('fill', state.ship.x, state.ship.y, game.ship.radius) love.graphics.circle('fill', state.ship.x, state.ship.y, game.ship.radius)
local shipCircleDistance = 20 local shipCircleDistance = game.ship.radius * 2 / 3
love.graphics.setColor(0, 1, 1) love.graphics.setColor(0, 1, 1)
love.graphics.circle( love.graphics.circle(
'fill', 'fill',
state.ship.x + math.cos(state.ship.angle) * shipCircleDistance, state.ship.x + math.cos(state.ship.angle) * shipCircleDistance,
state.ship.y + math.sin(state.ship.angle) * shipCircleDistance, state.ship.y + math.sin(state.ship.angle) * shipCircleDistance,
5 game.ship.radius / 6
) )
for _, bullet in ipairs(state.bullets) do for _, bullet in ipairs(state.bullets) do