Behaviour improvement

slimes/init.lua

@@ -1,12 +1,13 @@
 SLIME_SIZE = 0.5
 SLIME_BOX = math.sqrt(2*math.pow(SLIME_SIZE, 2))/2
+PI = math.pi
 
 minetest.register_entity("slimes:small",{
 	initial_properties = {
 		hp_max = 4,
 		visual_size = {x = SLIME_SIZE, y = SLIME_SIZE, z = SLIME_SIZE},
 		visual = "cube",
-		textures = {"default_cactus_top.png"},
+		textures = {"slime.png", "slime.png", "slime.png", "slime.png", "slime.png", "slime.png"},
 		collisionbox = {-SLIME_BOX, -0.25, -SLIME_BOX, SLIME_BOX, 0.25, SLIME_BOX},
 		physical = true,
 	},
@@ -15,11 +16,11 @@ minetest.register_entity("slimes:small",{
 	timer2 = 0,
 	yaw = 0,
 	direction = {},
-	ground_touched = false,
+	status = 2, --1 = jump, 2 = rotate
 
 	on_activate = function(self)
 		self.yaw = math.random() * 360
-		self.direction = {x = math.cos(self.yaw), y = 5, z = math.sin(self.yaw)}
+		self.direction = {x = math.cos(self.yaw), y = 6, z = math.sin(self.yaw)}
 		self.object:setacceleration({x = 0, y = -9.8, z = 0})
 	end,
 
@@ -28,27 +29,41 @@ minetest.register_entity("slimes:small",{
 	end,
 
 	on_step = function(self, dtime)
-		local pos = self.object:getpos()
+		if self.status == 2 then
+			local oldyaw = self.object:getyaw()
+			if oldyaw >= PI then oldyaw = 0 end
+			oldyaw = oldyaw + dtime
+			self.object:setyaw(oldyaw)
+			if approx(oldyaw*360/PI, self.yaw, 3) then
+				self.object:setyaw(self.yaw)
+				self.status = 1
+			end
+			return
+		end
+
 		self.timer = self.timer + dtime
 		self.timer2 = self.timer2 + dtime
 
-		if self.timer > 4 then
+		if self.timer > 6 then
+			local pos = self.object:getpos()
 			if slime_lonely(pos) and not minetest.env:find_node_near(pos, 32, "default:mese") then
 				self.object:remove()
 			end
-			ground_touched = false
-			self.timer = 0
 			self.yaw = math.random() * 360
-			self.direction = {x = math.cos(self.yaw), y = 5, z = math.sin(self.yaw)}
+			self.direction = {x = math.cos(self.yaw), y = 6, z = math.sin(self.yaw)}
+			self.status = 2
+			self.object:setvelocity({x = 0, y = 0, z = 0})
+			self.timer = 0
+			self.timer2 = 1.2
 		end
 
-		if self.timer2 > 1 then
-			local nu = minetest.env:get_node({x = pos.x, y = pos.y - self.initial_properties.visual_size.y/1.99, z = pos.z})
-			if nu.name ~= "air" then
-				self.object:setyaw(self.yaw)
+		if self.timer2 > 1.2 then
+			local pos = self.object:getpos()
+			--local nu = minetest.env:get_node({x = pos.x, y = pos.y - self.initial_properties.visual_size.y/1.99, z = pos.z})
+			--if nu.name ~= "air" then
 				self.object:setvelocity(self.direction)
 				self.timer2 = 0
-			end
+			--end
 		end
 	end,
 })
@@ -62,6 +77,14 @@ function slime_lonely (pos)
 	return true
 end
 
+function approx(val1, val2, deviation)
+	if val1 + deviation > val2
+	and val1 - deviation < val2 then
+		return true
+	end
+	return false
+end
+
 minetest.register_abm({
 	nodenames = {"default:dirt_with_grass"},
 	interval = 10.0,