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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/lua_api.txt | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt index a9944935f..117d4b24e 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -1063,6 +1063,60 @@ methods: ^ Return world-specific perlin noise (int(worldseed)+seeddiff) - clear_objects() ^ clear all objects in the environments +- spawn_tree (pos, {treedef}) + ^ spawns L-System tree at given pos with definition in treedef table + treedef={ + axiom, - string initial tree axiom + rules_a, - string rules set A + rules_b, - string rules set B + rules_c, - string rules set C + rules_d, - string rules set D + trunk, - string trunk node name + leaves, - string leaves node name + angle, - num angle in deg + iterations, - num max # of iterations, usually 2 -5 + random_level, - num factor to lower nr of iterations, usually 0 - 3 + thin_trunks, - boolean true -> use thin trunks + fruit_tree, - boolean true -> is a fruit tree + fruit - string fruit node name + } + + Key for Special L-System Symbols used in Axioms + G - move forward one unit with the pin down + F - move forward one unit with the pin up + A - replace with rules set A + B - replace with rules set B + C - replace with rules set C + D - replace with rules set D + a - replace with rules set A, chance 90% + b - replace with rules set B, chance 80% + c - replace with rules set C, chance 70% + d - replace with rules set D, chance 60% + + - yaw the turtle right by angle parameter + - - yaw the turtle left by angle parameter + & - pitch the turtle down by angle parameter + ^ - pitch the turtle up by angle parameter + / - roll the turtle to the right by angle parameter + * - roll the turtle to the left by angle parameter + [ - save in stack current state info + ] - recover from stack state info + + Example usage: spawn small apple tree + apple_tree={ + axiom="FFFFFAFFBF", + rules_a="[&&&FFFFF&&FFFF][&&&++++FFFFF&&FFFF][&&&----FFFFF&&FFFF]", + rules_b="[&&&++FFFFF&&FFFF][&&&--FFFFF&&FFFF][&&&------FFFFF&&FFFF]", + trunk="default:tree", + leaves="default:leaves", + angle=30, + iterations=2, + random_level=0, + thin_trunks=true, + fruit_tree=true, + fruit="default:apple" + } + minetest.env:spawn_tree(pos,apple_tree) + Deprecated: - add_rat(pos): Add C++ rat object (no-op) - add_firefly(pos): Add C++ firefly object (no-op) |