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Particles: Make collision with objects optional (#7682)

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Also set it to false for node dig particles, as they are often created
and high in number.

Improve particle documentation.
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Paramat 2018-09-08 00:38:35 +01:00 • committed by GitHub
parent 6ed9c6fb3a
commit 766fb7b46e
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9 changed files with 120 additions and 59 deletions
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34
doc/lua_api.txt
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@ -6619,14 +6619,21 @@ Used by `minetest.add_particle`.
-- Disappears after expirationtime seconds
size = 1,
-- Scales the visual size of the particle texture.
collisiondetection = false,
-- If true collides with physical objects
-- If true collides with `walkable` nodes and, depending on the
-- `object_collision` field, objects too.
collision_removal = false,
-- If true particle is removed when it collides.
-- Requires collisiondetection = true to have any effect.
object_collision = false,
-- If true particle collides with objects that are defined as
-- `physical = true,` and `collide_with_objects = true,`.
-- Requires collisiondetection = true to have any effect.
vertical = false,
-- If true faces player using y axis only
@ -6651,10 +6658,12 @@ Used by `minetest.add_particlespawner`.
{
amount = 1,
-- Number of particles spawned over the time period `time`.
time = 1,
-- If time is 0 has infinite lifespan and spawns the amount on a
-- per-second basis.
-- Lifespan of spawner in seconds.
-- If time is 0 spawner has infinite lifespan and spawns the `amount` on
-- a per-second basis.
minpos = {x=0, y=0, z=0},
maxpos = {x=0, y=0, z=0},
@ -6666,14 +6675,21 @@ Used by `minetest.add_particlespawner`.
maxexptime = 1,
minsize = 1,
maxsize = 1,
-- The particle's properties are random values in between the bounds
-- The particles' properties are random values between the min and max
-- values.
-- pos, velocity, acceleration, expirationtime, size
collisiondetection = false,
-- If true collides with physical objects
-- If true collide with `walkable` nodes and, depending on the
-- `object_collision` field, objects too.
collision_removal = false,
-- If true particle is removed when it collides.
-- If true particles are removed when they collide.
-- Requires collisiondetection = true to have any effect.
object_collision = false,
-- If true particles collide with objects that are defined as
-- `physical = true,` and `collide_with_objects = true,`.
-- Requires collisiondetection = true to have any effect.
attached = ObjectRef,
@ -6681,15 +6697,15 @@ Used by `minetest.add_particlespawner`.
-- relative to this object's position and yaw
vertical = false,
-- If true faces player using y axis only
-- If true face player using y axis only
texture = "image.png",
playername = "singleplayer",
-- Optional, if specified spawns particle only on the player's client
-- Optional, if specified spawns particles only on the player's client
animation = {Tile Animation definition},
-- Optional, specifies how to animate the particle texture
-- Optional, specifies how to animate the particles' texture
glow = 0
-- Optional, specify particle self-luminescence in darkness.