Corrected enemy hitbox / sprite draw

blaster.lua

@@ -11,7 +11,7 @@ function Blaster:new(x, y, owner)
 	self.destroy = false
 	self.owner = owner
 
-	self.bounds = { self.x, (self.x + self.width), self.y, (self.y + self.height) }
+	self.hitbox = { self.x, (self.x + self.width), self.y, (self.y + self.height) }
 end
 
 function Blaster:draw()
@@ -26,19 +26,19 @@ function Blaster:update(dt)
 		self.y = self.y + self.speed * dt
 	end
 
-	self.bounds = { self.x, (self.x + self.width), self.y, (self.y + self.height) }
+	self.hitbox = { self.x, (self.x + self.width), self.y, (self.y + self.height) }
 end
 
 function Blaster:checkCollision(obj)
-	local self_left = self.bounds[1]
-	local self_right = self.bounds[2]
-	local self_top = self.bounds[3]
-	local self_bottom = self.bounds[4]
-
-	local obj_left = obj.bounds[1]
-	local obj_right = obj.bounds[2]
-	local obj_top = obj.bounds[3]
-	local obj_bottom = obj.bounds[4]
+	local self_left = self.hitbox[1]
+	local self_right = self.hitbox[2]
+	local self_top = self.hitbox[3]
+	local self_bottom = self.hitbox[4]
+
+	local obj_left = obj.hitbox[1]
+	local obj_right = obj.hitbox[2]
+	local obj_top = obj.hitbox[3]
+	local obj_bottom = obj.hitbox[4]
 
 	if (self_right > obj_left) and (self_left < obj_right) and (self_bottom > obj_top) and (self_top < obj_bottom) then
 		self.destroy = true

entities/enemy.lua

@@ -23,19 +23,24 @@ function Enemy:new(x, y, radius, playableArea)
 	self.fireRate = 1
 	self.destroy = false
 
-	self.hitbox = { (self.x + 18), (self.x + 44), (self.y + 20), (self.y + 44) }
-	self.move_bounds = self:setMoveBounds({ 18, 44 }, self.move_radius)
-	print("Move Bounds: ", self.move_bounds[1], " , ", self.move_bounds[2])
+	self.hitbox = { (self.x + 20), (self.x + 20), (self.y + 20), (self.y + 44) }
+	self.move_bounds = self:setMoveBounds()
+	--print("Move Bounds: ", self.move_bounds[1], " , ", self.move_bounds[2])
 	enemyBullets = {}
 end
 
 function Enemy:draw()
 	--draw stuff
-	--love.graphics.rectangle("line", self.x, self.y, self.width, self.height)
-	love.graphics.draw(self.image, self.x, self.y, 0, -1)
+	love.graphics.rectangle(
+		"line",
+		self.hitbox[1],
+		self.hitbox[3],
+		(self.hitbox[2] - self.hitbox[1]),
+		(self.hitbox[4] - self.hitbox[3])
+	)
+	love.graphics.draw(self.image, self.x, self.y, 0, 1, 1)
 
 	for _, v in ipairs(enemyBullets) do
-		--love.graphics.circle("fill", v.x, v.y, v.radius)
 		v:draw()
 	end
 end
@@ -50,10 +55,8 @@ function Enemy:update(dt, player)
 
 	--movement
 	if self.x < self.move_bounds[1] then
-		print("Reversing direction! Hitbox Left Location: ", self.hitbox[1], " Play Bound Left: ", self.playableLeft)
 		self.speed = -self.speed
 	elseif self.x > self.move_bounds[2] then
-		print("Reversing direction! Hitbox Right Location: ", self.hitbox[2], " Play Bound Right: ", self.playableRight)
 		self.speed = -self.speed
 	end
 
@@ -82,24 +85,25 @@ end
 
 --shoot at the player a variable number of seconds
 function Enemy:fire()
+	local fire_origin = { self.x + 26, self.y + 44 }
 	if love.timer.getTime() - fireTime > self.fireRate then
-		table.insert(enemyBullets, Blaster(self.x, self.y, "enemy"))
+		table.insert(enemyBullets, Blaster(fire_origin[1], fire_origin[2], "enemy"))
 		fireTime = love.timer.getTime()
 	end
 end
 
-function Enemy:setMoveBounds(hitbox_bounds, move_radius)
+function Enemy:setMoveBounds()
 	local result = {}
 
-	if (self.origin[1] - hitbox_bounds[1] - move_radius) < self.playableLeft then
+	if (self.hitbox[1] - self.move_radius) < self.playableLeft then
 		result[1] = self.playableLeft
-		result[2] = self.playableLeft + hitbox_bounds[1] + (move_radius * 2)
-	elseif (self.origin[2] + hitbox_bounds[2] + move_radius) > self.playableRight then
+		result[2] = self.playableLeft + self.hitbox[1] + move_radius
+	elseif (self.hitbox[2] + self.move_radius) > self.playableRight then
 		result[2] = self.playableRight
-		result[1] = self.playableRight - hitbox_bounds[2] - (move_radius * 2)
+		result[1] = self.playableRight - self.hitbox[2] - move_radius
 	else
-		result[1] = self.x - move_radius
-		result[2] = self.x + move_radius
+		result[1] = self.x - self.move_radius
+		result[2] = self.x + self.move_radius
 	end
 	return result
 end

entities/player.lua

@@ -26,7 +26,7 @@ function Player:new(x, y, playableArea)
 
 	--bounds of the hitbox
 	--(left, right, top, bottom)
-	self.bounds = { (self.x + 8), (self.x + 38), (self.y + 10), (self.y + 36) }
+	self.hitbox = { (self.x + 8), (self.x + 38), (self.y + 10), (self.y + 36) }
 
 	print("Player: Max Left: ", self.playableLeft - 8, ", Max Right: ", self.playableRight - 38)
 	playerBullets = {}
@@ -50,8 +50,8 @@ function Player:update(dt, enemies)
 		self.x = maximumRight
 	end
 
-	--update bounds
-	self.bounds = { (self.x + 8), (self.x + 38), (self.y + 10), (self.y + 36) }
+	--update hitbox
+	self.hitbox = { (self.x + 8), (self.x + 38), (self.y + 10), (self.y + 36) }
 
 	--bullets!
 	for i, v in ipairs(playerBullets) do

main.lua

@@ -12,37 +12,38 @@ function love.load()
 
 	print("Playable Bounds: ", bounds[1], " , ", bounds[2])
 	--place the player in the middle of the screen, close to the bottom
-	player = Player(window_width / 2, window_height * 0.9, bounds)
+	Player = Player(window_width / 2, window_height * 0.9, bounds)
 
-	listOfEnemies = {}
+	ListOfEnemies = {}
 
-	table.insert(listOfEnemies, Enemy(bounds[1] + 50, 100, 70, bounds))
+	table.insert(ListOfEnemies, Enemy(bounds[1] + 50, 100, 70, bounds))
+	table.insert(ListOfEnemies, Enemy((bounds[1] + bounds[2]) / 2, 125, 70, bounds))
 
 	--set background for space!
 	love.graphics.setBackgroundColor(27 / 255, 51 / 255, 85 / 255)
 end
 
 function love.update(dt)
-	player:update(dt, listOfEnemies)
+	Player:update(dt, ListOfEnemies)
 
-	for i, v in ipairs(listOfEnemies) do
+	for i, v in ipairs(ListOfEnemies) do
 		if v.destroy == true then
-			print("Enemy destroyed! Enemies in Table:", #listOfEnemies)
-			table.remove(listOfEnemies, i)
+			print("Enemy destroyed! Enemies in Table:", #ListOfEnemies)
+			table.remove(ListOfEnemies, i)
 		end
 
-		v:update(dt, player)
+		v:update(dt, Player)
 	end
 end
 
 function love.draw()
 	ui:draw()
-	player:draw()
-	for _, v in ipairs(listOfEnemies) do
+	Player:draw()
+	for _, v in ipairs(ListOfEnemies) do
 		v:draw()
 	end
 end
 
 function love.keypressed(key)
-	player:keyPressed(key)
+	Player:keyPressed(key)
 end