galabras/player.lua at main · kin-cunico/galabras · GitHub

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---@diagnostic disable: lowercase-global, undefined-global
constants = require 'constants'

SHIP_SPEED = 200

playerScore = 0;

playerY = VIRTUAL_HEIGHT / 2 + 100
playerX = VIRTUAL_WIDTH / 2 - 25

-- drawing player ship

function drawPlayer()
    love.graphics.setColor(BLUE)
    drawShip('line', playerX + 25, playerY + 10)


    if playerX < 50 then
        drawShip('line', playerX + VIRTUAL_WIDTH + 25, playerY + 10)
    elseif playerX > VIRTUAL_WIDTH - 50 then
        drawShip('line', playerX - VIRTUAL_WIDTH + 25, playerY + 10)
    end
end

function handleMovement(dt)
    if love.keyboard.isDown('left') then
        playerX = playerX - SHIP_SPEED * dt
    elseif love.keyboard.isDown('right') then
        playerX = playerX + SHIP_SPEED * dt
    end
    handleBoundaries()
end

function handleBoundaries()
    playerX = (playerX + VIRTUAL_WIDTH) % VIRTUAL_WIDTH
end

function drawShip(mode, x, y)
    local w1 = math.atan(2 / 5)
    local w2 = math.atan(5 / 5)
    local k1 = math.sqrt(4 + 25)
    local k2 = math.sqrt(25 + 25)
    local a = 10
    local b = a * math.tan(w1 / 2)
    local c = a * math.tan(k1 / 2)
    local d = a * math.tan(k2 / 2)

    local vertices = {
        a, b, c, d, d, c, b, a,
        -b, a, -d, c, -c, d, -a, b,
        -a, -b, -c, -d, -d, -c, -b, -a,
        b, -a, d, -c, c, -d, a, -b
    }

    love.graphics.push()
    love.graphics.translate(x + 0.4, y + 0.4)
    love.graphics.polygon('line', vertices)
    love.graphics.translate(-x - 0.4, -y - 0.4)
    love.graphics.pop()
end