sample-MujuJuju/app/shrine.lua

Shrine = class()

Shrine.width = 128 
Shrine.height = 128 

Shrine.maxHealth = 2500

Shrine.depth = 5

function Shrine:init()
	local w, h = love.graphics.getDimensions()

	self.x = w / 2
	self.y = h - ctx.environment.groundHeight - self.height - 7
	self.health = self.maxHealth
	self.healthDisplay = self.health
	self.image = love.graphics.newImage('media/graphics/shrine-v3.png')
	self.color = {255, 255, 255}
	self.highlight = 0

	ctx.view:register(self)
end

function Shrine:update()
	if self.health <= 0 then
		ctx.ded = true
	end

	self.health = math.min(self.maxHealth, self.health + (self.maxHealth * ctx.upgrades.muju.imbue.level * .005 * tickRate))

	self.color = table.interpolate(self.color, ctx.player.dead and {160, 100, 225} or {255, 255, 255}, .6 * tickRate)
	self.healthDisplay = math.lerp(self.healthDisplay, self.health, 20 * tickRate)
	self.highlight = math.lerp(self.highlight, math.abs(ctx.player.x - self.x) < ctx.player.width and 128 or 0, 5 * tickRate)
end

function Shrine:draw()
	local g = love.graphics

	local scale = self.width / self.image:getWidth()
	g.setColor(self.color)
	g.draw(self.image, self.x, self.y + self.height + 12, 0, scale, scale, self.image:getWidth() / 2, self.image:getHeight())

	g.setBlendMode('additive')
	g.setColor(255, 255, 255, self.highlight)
	g.draw(self.image, self.x, self.y + self.height + 12, 0, scale, scale, self.image:getWidth() / 2, self.image:getHeight())
	g.setColor(255, 255, 255, 255)
	g.setBlendMode('alpha')
end

function Shrine:hurt(value)
	self.health = self.health - value
	if self.health < 0 then
		ctx.sound:play({sound = ctx.sounds['youlose']})
		backgroundSound:stop()
		return true
	end
end