add ship actor

asteroids/actors.lua

@@ -71,9 +71,54 @@ function actors.buildActors(game)
         love.graphics.pop()
     end
 
+    local ships = {}
+    local ships_mt = { __index = ships }
+
+    function ships.new(ship)
+        local instance = {
+            x = game.width / 2,
+            y = game.height / 2,
+            angle = 0,
+            speed = 0,
+            spin = 0,
+            facing = phys.tau * 3 / 4,
+            radius = game.ship.radius,
+        }
+        for k, v in pairs(game.ship) do
+            instance[k] = v
+        end
+        for k, v in pairs(ship) do
+            instance[k] = v
+        end
+        setmetatable(instance, ships_mt)
+        return instance
+    end
+
+    function ships:draw()
+        love.graphics.push()
+        love.graphics.translate(self.x, self.y)
+        love.graphics.setColor(1, 1, 1)
+        local width = self.sprite:getWidth()
+        local height = self.sprite:getHeight()
+
+        local scale = 2 * game.ship.radius / math.max(width, height)
+        love.graphics.draw(game.ship.sprite,
+            0,
+            0,
+            (self.facing + phys.tau / 4) % phys.tau,
+            scale,
+            scale,
+            width / 2,
+            height / 2
+        )
+        -- TODO rocket exhaust
+        love.graphics.pop()
+    end
+
     return {
         asteroids = asteroids,
         bullets = bullets,
+        ships = ships,
     }
 end