chroma_solstice/entity.lua

Entity = class("Entity")

function Entity:initialize(t)
	self.x, self.y = t.x, t.y
	self.spriteSize = {w = t.sprite:getWidth(), h = t.sprite:getHeight()}
	self.size = {w = self.spriteSize.w / 16, h = self.spriteSize.h / 16}
	self.color = Color:new(t.color)
	self.collision = t.collision --"none", "moveable", "unmoveable"
	self.sprite = t.sprite
	self.shaAmount = t.sha or 1
end

function Entity:atGridPos(x, y)
	-- print(x, y, self.x, self.y, self.x + self.size.x, self.y + self.size.y)
	local size = self:getGridSize()
	if x >= self.x and y >= self.y and x < self.x + size.x and y < self.y + size.y then
	  return true
	end
	return false
end

function Entity:getDrawBox()
	local drawPos = self:getDrawPos()
	return {x = drawPos.x, y = drawPos.y, w = self.spriteSize.w * drawScale, h = self.spriteSize.h * drawScale}
end

function Entity:getGridPos()
	return {x = self.x, y = self.y}
end

function Entity:getDrawPos()
	local gridPos = self:getGridPos()
	return {
		x = (gridPos.x - 1) * width / gridWidth + self:sha(),
		y = (gridPos.y - 1) * height / gridHeight + self:sha()
	}
end

function Entity:getGridSize()
	return {x = self.size.w, y = self.size.h}
end

function Entity:tick()

end

function Entity:draw()
	love.graphics.setColor(self.color:set())
	local p = self:getDrawPos()
	love.graphics.draw(self.sprite, p.x, p.y, 0, drawScale, drawScale)
end

function Entity:isAlignedWithPlayerMovement(axis, pos, direction)
	-- print(axis, pos[axis], self:getGridPos()[axis], self:getGridPos()[axis] + self.size[axis])
	if self:getGridPos()[axis] <= pos[axis] and self:getGridPos()[axis] + self:getGridSize()[axis] > pos[axis] then
		print("true!!")
		return true
	end
	return false
end

function Entity:canMove()
	if self.collision == "unmoveable" then
		return false
	end
	return true
end


function Entity:move(axis, direction)
	self[axis] = self[axis] + direction
end


function Entity:sha()
	return math.random(-worldSha, worldSha) * .5
end