Pixel-Composer/scripts/node_VFX_turbulence/node_VFX_turbulence.gml
2024-08-08 11:57:51 +07:00

44 lines
1.5 KiB
Plaintext

function Node_VFX_Turbulence(_x, _y, _group = noone) : Node_VFX_effector(_x, _y, _group) constructor {
name = "Turbulence";
node_draw_icon = s_node_vfx_turb;
inputs[4].setVisible(false, false);
inputs[effector_input_length + 0] = nodeValue_Float("Turbulence scale", self, 1 );
inputs[effector_input_length + 1] = nodeValue_Bool("Constant seed", self, false );
array_push(input_display_list, effector_input_length + 0, effector_input_length + 1);
function onAffect(part, str) {
var _sten = getInputData(5);
var _rot_range = getInputData(6);
var _sca_range = getInputData(7);
var _rot = random_range(_rot_range[0], _rot_range[1]);
var _sca = [ random_range(_sca_range[0], _sca_range[1]), random_range(_sca_range[2], _sca_range[3]) ];
var pv = part.getPivot();
var t_scale = getInputData(effector_input_length + 0);
var con_sed = getInputData(effector_input_length + 1);
var _seed = con_sed? seed : part.seed;
var perx = (perlin_noise(pv[0] / t_scale, pv[1] / t_scale, 1, _seed) - 0.5) * 2;
var pery = (perlin_noise(pv[0] / t_scale, pv[1] / t_scale, 1, _seed + 100) - 0.5) * 2;
part.x += perx * str * _sten;
part.y += pery * str * _sten;
part.rot += _rot * perx;
var scx_s = _sca[0] * str;
var scy_s = _sca[1] * str;
if(scx_s < 0) part.scx = lerp_linear(part.scx, 0, abs(scx_s));
else if(scx_s > 0) part.scx += sign(part.scx) * scx_s;
if(scy_s < 0) part.scy = lerp_linear(part.scy, 0, abs(scy_s));
else if(scy_s > 0) part.scy += sign(part.scy) * scy_s;
}
}