minetest/games/devtest/mods/testtools/particles.lua

37 lines
1.0 KiB
Lua

minetest.register_tool("testtools:particle_spawner", {
description = "Particle Spawner".."\n"..
"Punch: Spawn random test particle",
inventory_image = "testtools_particle_spawner.png",
groups = { testtool = 1, disable_repair = 1 },
on_use = function(itemstack, user, pointed_thing)
local pos = minetest.get_pointed_thing_position(pointed_thing, true)
if pos == nil then
if user then
pos = user:get_pos()
end
end
pos = vector.add(pos, {x=0, y=0.5, z=0})
local tex, anim
if math.random(0, 1) == 0 then
tex = "testtools_particle_sheet.png"
anim = {type="sheet_2d", frames_w=3, frames_h=2, frame_length=0.5}
else
tex = "testtools_particle_vertical.png"
anim = {type="vertical_frames", aspect_w=16, aspect_h=16, length=3.3}
end
minetest.add_particle({
pos = pos,
velocity = {x=0, y=0, z=0},
acceleration = {x=0, y=0.04, z=0},
expirationtime = 6,
collisiondetection = true,
texture = tex,
animation = anim,
size = 4,
glow = math.random(0, 5),
})
end,
})