added the water_splash functions

init.lua

@@ -68,6 +68,7 @@ airutils.get_wind = dofile(minetest.get_modpath("airutils") .. DIR_DELIM ..'/win
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "uuid_manager.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "common_entities.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_wind.lua")
+dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "water_splash.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "inventory_management.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "light.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "physics_lib.lua")

water_splash.lua

@@ -0,0 +1,52 @@
+local function calculateVelocity(magnitude, angle)
+    -- Calcula os componentes do vetor usando ângulo polar
+    -- Supondo que o ângulo é dado no plano XY, com z = 0
+    local velocity = {
+        x = magnitude * math.cos(angle),
+        y = 0, -- Se a velocidade não tem componente z
+        z = magnitude * math.sin(angle),
+    }
+    
+    return velocity
+end
+
+local function water_particle(pos, vel)
+    if airutils.splash_texture == nil then return end
+    if airutils.splash_texture == "" then return end
+
+	minetest.add_particle({
+		pos = pos,
+		velocity = vel, --{x = 0, y = 0, z = 0},
+		acceleration = {x = 0, y = 0, z = 0},
+		expirationtime = 2.0,
+		size = 4.8,
+		collisiondetection = false,
+		collision_removal = false,
+		vertical = false,
+		texture = airutils.splash_texture,
+	})
+end
+
+function airutils.add_splash(pos, yaw, x_pos)
+    local direction = yaw
+
+    local spl_pos = vector.new(pos)  
+    water_particle(spl_pos, {x=0,y=0,z=0})
+
+    --right
+    local move = x_pos/10
+    spl_pos.x = spl_pos.x + move * math.cos(direction)
+    spl_pos.z = spl_pos.z + move * math.sin(direction)
+    
+    local velocity = calculateVelocity(1.0, yaw)
+    water_particle(spl_pos, velocity)
+
+    --left
+    direction = direction - math.rad(180)
+    spl_pos = vector.new(pos)
+    spl_pos.x = spl_pos.x + move * math.cos(direction)
+    spl_pos.z = spl_pos.z + move * math.sin(direction)
+    
+    velocity = calculateVelocity(1.0, yaw - math.rad(180))
+    water_particle(spl_pos, velocity)
+end