Make enemies spin

bundle/main.lua

@@ -154,6 +154,7 @@ function spawnEnemy(x, y)
 		x = x,
 		y = y,
 		until_shoot = enemy_min_shoot + math.random() * (enemy_max_shoot - enemy_min_shoot),
+		angle = math.random() * 2 * math.pi,
 		alive = true
 	})
 end
@@ -315,6 +316,9 @@ function updateEnemies(dt)
 			end
 		end
 
+		local dangle = 10 / (2 + enemy.until_shoot) * dt
+		enemy.angle = enemy.angle + dangle
+
 		if not enemy.alive then
 			table.remove(enemies, i)
 		else
@@ -449,9 +453,18 @@ end
 function drawEnemies()
 	for _, enemy in ipairs(enemies) do
 		love.graphics.setColor(0.7, 0.5, 1)
-		local x, y = toScreenCoordinates(enemy.x, enemy.y)
-		local radius = toScreenSize(enemy_radius)
-		love.graphics.circle('fill', x, y, radius)
+
+		local fifth = 2 * math.pi / 5
+		local points = {}
+		for i = 0, 4 do
+			local x = enemy.x + math.cos(i * fifth + enemy.angle) * enemy_radius
+			local y = enemy.y + math.sin(i * fifth + enemy.angle) * enemy_radius
+			local x, y = toScreenCoordinates(x, y)
+			table.insert(points, x)
+			table.insert(points, y)
+		end
+
+		love.graphics.polygon('fill', points)
 	end
 end