added graphics and collision detection

blaster.lua

@@ -4,6 +4,8 @@ function Blaster:new(x, y, owner)
 	self.x = x
 	self.y = y
 	self.radius = 10
+	self.height = self.radius * 2
+	self.width = self.radius * 2
 	self.speed = 700
 	self.color = { 1, 0, 0 }
 	self.destroy = false
@@ -12,7 +14,7 @@ end
 
 function Blaster:draw()
 	--draw stuff
-	--love.graphics.circle("fill", self.x, self.y, self.radius)
+	love.graphics.circle("fill", self.x, self.y, self.radius)
 end
 
 function Blaster:update(dt)
@@ -25,18 +27,18 @@ end
 
 function Blaster:checkCollision(obj)
 	local self_left = self.x
-	local self_right = self.x + self.radius * 2
+	local self_right = self.x + self.width
 	local self_top = self.y
-	local self_bottom = self.y + self.radius * 2
+	local self_bottom = self.y + self.height
 
 	local obj_left = obj.x
 	local obj_right = obj.x + obj.width
 	local obj_top = obj.y
 	local obj_bottom = obj.y + obj.height
 
-	if self_right > obj_left and self_left < obj_right and self_bottom > obj_top and self_top < obj_bottom then
+	if (self_right > obj_left) and (self_left < obj_right) and (self_bottom > obj_top) and (self_top < obj_bottom) then
 		self.destroy = true
-
+		obj.health = obj.health - 25
 		--other blaster logic here
 	end
 end

entities/enemy.lua

@@ -3,17 +3,20 @@ require("blaster")
 Enemy = Object:extend()
 
 local fireTime = love.timer.getTime()
+local listOfBullets
 
 function Enemy:new(x, y, radius)
 	self.origin = { x, y }
+	self.image = love.graphics.newImage("/assets/enemy/e-fighter.png")
 	self.x = x
 	self.y = y
-	self.width = 30
-	self.height = 30
-	self.health = 100
+	self.width = self.image:getWidth()
+	self.height = self.image:getHeight()
+	self.health = 10
 	self.move_radius = radius
 	self.speed = 100
 	self.fireRate = 2
+	self.destroy = false
 
 	listOfBullets = {}
 end
@@ -21,16 +24,15 @@ end
 function Enemy:draw()
 	--draw stuff
 	--love.graphics.rectangle("line", self.x, self.y, self.width, self.height)
-	local fighter = love.graphics.newImage("/assets/enemy/e-fighter.png")
-
-	love.graphics.draw(fighter, self.x, self.y, 0, -1)
+	love.graphics.draw(self.image, self.x, self.y, 0, -1)
 
 	for _, v in ipairs(listOfBullets) do
-		love.graphics.circle("fill", v.x, v.y, v.radius)
+		--love.graphics.circle("fill", v.x, v.y, v.radius)
+		v:draw()
 	end
 end
 
-function Enemy:update(dt)
+function Enemy:update(dt, player)
 	local bounds = { self.origin[1] - self.move_radius, self.origin[1] + self.move_radius }
 	local window_height = love.graphics.getHeight()
 
@@ -57,6 +59,12 @@ function Enemy:update(dt)
 			print("Enemy Bullet Removed! Bullets in table remaining: ", #listOfBullets)
 			table.remove(listOfBullets, i)
 		end
+
+		v:checkCollision(player)
+	end
+	--health check
+	if self.health < 0 then
+		self.destroy = true
 	end
 end
 

entities/player.lua

@@ -1,17 +1,27 @@
 --! file: player.lua
 Player = Object:extend()
 require("blaster")
+local listOfBullets
 
 function Player:new(x, y)
+	self.image = {
+		{ "fullHealth", love.graphics.newImage("/assets/player/player01.png") },
+		{ "damaged", love.graphics.newImage("/assets/player/player02.png") },
+		{ "halfHealth", love.graphics.newImage("/assets/player/player03.png") },
+		{ "nearDeath", love.graphics.newImage("/assets/player/player04.png") },
+	}
+
 	self.x = x
 	self.y = y
+	self.width = self.image[1][2]:getWidth()
+	self.height = self.image[1][2]:getHeight()
 	self.health = 100
 	self.speed = 200
 
 	listOfBullets = {}
 end
 
-function Player:update(dt)
+function Player:update(dt, enemies)
 	--movement
 	if love.keyboard.isDown("left") then
 		self.x = self.x - self.speed * dt
@@ -31,16 +41,17 @@ function Player:update(dt)
 			table.remove(listOfBullets, i)
 			print("Bullet Destroyed! Bullets in Table: ", #listOfBullets)
 		end
+		--recieve the list of enemies and check to see if the bullets hit
+		for _, j in ipairs(enemies) do
+			v:checkCollision(j)
+		end
 	end
 end
 
 function Player:draw()
 	--local vert = { self.x, self.y, (self.x - 70), (self.y + 70), (self.x + 70), (self.y + 70) }
 	--love.graphics.polygon("fill", vert)
-	local fullHealth = love.graphics.newImage("/assets/player/player01.png")
-	local damaged = love.graphics.newImage("/assets/player/player02.png")
-	local halfHealth = love.graphics.newImage("/assets/player/player03.png")
-	local nearDeath = love.graphics.newImage("/assets/player/player04.png")
+	local fullHealth = self.image[1][2]
 
 	love.graphics.draw(fullHealth, self.x, self.y)
 

main.lua

@@ -8,20 +8,33 @@ function love.load()
 	local window_height = love.graphics.getHeight()
 
 	player = Player(window_width / 2, window_height * 0.8)
-	enemy = Enemy(100, 100, 70)
+
+	listOfEnemies = {}
+
+	table.insert(listOfEnemies, Enemy(100, 100, 70))
 
 	--set background for space!
 	love.graphics.setBackgroundColor(27 / 255, 51 / 255, 85 / 255)
 end
 
 function love.update(dt)
-	player:update(dt)
-	enemy:update(dt)
+	player:update(dt, listOfEnemies)
+
+	for i, v in ipairs(listOfEnemies) do
+		if v.destroy == true then
+			print("Enemy destroyed! Enemies in Table:", #listOfEnemies)
+			table.remove(listOfEnemies, i)
+		end
+
+		v:update(dt, player)
+	end
 end
 
 function love.draw()
 	player:draw()
-	enemy:draw()
+	for _, v in ipairs(listOfEnemies) do
+		v:draw()
+	end
 end
 
 function love.keypressed(key)

projectplan.md

@@ -1,8 +1,8 @@
 Beginning and game notes for a little space game. 
 
 **TODO:**
-- Player character
-- Enemies
+- Adjust assets
+-- Assets are currently too large for hitbox registration. Fix that. 
 - Asteroid obsticles
 - Pickups
 - Score