player.lua

require('AnAL')
local Class = require('middleclass')
local Player = Class('Player')

local sprRun = love.graphics.newImage('assets/dog-run.png')
local sprJump = love.graphics.newImage('assets/dog-jump.png')
local sprIdle = love.graphics.newImage('assets/dog-idle.png')
local sprDiamond = love.graphics.newImage('assets/diamond.png')
local redShader = love.graphics.newShader[[
    vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 screen_coords) {
        vec4 pixel = Texel(texture, texture_coords);
        pixel.r *= 1.2f;
        pixel.g *= 0.5f;
        pixel.b *= 0.2f;
        return pixel;
    }
]]

function Player:initialize(world, x, y)
    self.ball = {}
    self.ball.body = love.physics.newBody(world, x, y, 'dynamic')
    self.ball.body:setLinearDamping(0.4)
    self.ball.body:setAngularDamping(4)
    self.ball.fixture = love.physics.newFixture(self.ball.body, love.physics.newCircleShape(12))
    self.ball.fixture:setDensity(3)
    self.ball.fixture:setUserData({
        name = 'player',
        player = self,
        body = self.ball.body,
        beginContact = function(other)
            local data = other:getUserData()
            if data and data.name then
                if data.name == 'floor' then
                    self.grounded = true
                elseif data.name == 'spotlight' then
                    game:toggleTimer(true)
                end
            end
        end,
        endContact = function(other)
            local data = other:getUserData()
            if data and data.name then
                if data.name == 'floor' then
                    self.grounded = false
                elseif data.name == 'spotlight' then
                    game:toggleTimer(false)
                end
            end
        end
    })

    self.runAnim = newAnimation(sprRun, 24, 24, 0.1, 4)
    self.jumpAnim = newAnimation(sprJump, 24, 24, 0.1, 4)
    self.idleAnim = newAnimation(sprIdle, 24, 24, 0.1, 4)
    self.anim = self.runAnim
    self.grounded = false
    self.groundTimer = 30

    self.sparkles = love.graphics.newParticleSystem(sprDiamond)
    self.sparkles:setParticleLifetime(0, 0.7)
    self.sparkles:setAreaSpread('normal', 8, 8)
    self.sparkles:setSpread(math.pi * 2)
    self.sparkles:setSpeed(10, 100)
    self.sparkles:setSizes(1, 0)
    self.red = false;
end

function Player:draw()
    self.sparkles:setPosition(self.ball.body:getX(), self.ball.body:getY())
    self.sparkles:update(1/60)
    if game.timerActive then
        self.sparkles:emit(math.floor(math.random() * 1.5))
    end
    love.graphics.draw(self.sparkles)

    local vx, vy = self.ball.body:getLinearVelocity()
    self.anim:update(1/60)
    if self.grounded then
        self.groundTimer = 10
    else
        self.groundTimer = self.groundTimer - 1
    end
    if self.groundTimer < 0 then
        self.anim = self.jumpAnim
        self.anim:setSpeed(math.abs(vx / 140))
    else
        if (math.abs(vx) < 20) then
            self.anim:setSpeed(1)
            self.anim = self.idleAnim
        else
            self.anim:setSpeed(math.abs(vx / 140))
            self.anim = self.runAnim
        end
    end

    if self.red then
        love.graphics.setShader(redShader)
    end
    self.anim:draw(self.ball.body:getX(), self.ball.body:getY(), 0, vx > 0 and 1 or -1, 1, 12, 12)
    love.graphics.setShader()
end

return Player