Pixel-Composer/scripts/node_particle/node_particle.gml

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function Node_Particle(_x, _y, _group = noone) : Node_VFX_Spawner_Base(_x, _y, _group) constructor {
name = "Particle";
use_cache = true;
inputs[| 3].setDisplay(VALUE_DISPLAY.area, function() { return inputs[| input_len + 0].getValue(); });
inputs[| input_len + 0] = nodeValue("Output dimension", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, def_surf_size2)
.setDisplay(VALUE_DISPLAY.vector);
inputs[| input_len + 1] = nodeValue("Round position", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true, "Round position to the closest integer value to avoid jittering.");
inputs[| input_len + 2] = nodeValue("Blend mode", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0 )
.setDisplay(VALUE_DISPLAY.enum_scroll, [ "Normal", "Alpha", "Additive" ]);
outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
attribute_surface_depth();
attribute_interpolation();
array_insert(input_display_list, 0, ["Output", true], input_len + 0);
array_push(input_display_list, input_len + 1, input_len + 2);
def_surface = -1;
insp2UpdateTooltip = "Clear cache";
insp2UpdateIcon = [ THEME.cache, 0, COLORS._main_icon ];
static onInspector2Update = function() { clearCache(); }
static onValueUpdate = function(index = 0) {
if(index == input_len + 0) {
var _dim = inputs[| input_len + 0].getValue();
var _outSurf = outputs[| 0].getValue();
_outSurf = surface_verify(_outSurf, _dim[0], _dim[1], attrDepth());
outputs[| 0].setValue(_outSurf);
}
if(ANIMATOR.is_playing)
ANIMATOR.setFrame(-1);
}
static step = function() {
var _dim = inputs[| input_len + 0].getValue();
var _outSurf = outputs[| 0].getValue();
_outSurf = surface_verify(_outSurf, _dim[0], _dim[1], attrDepth());
outputs[| 0].setValue(_outSurf);
}
static onUpdate = function() {
if(!ANIMATOR.is_playing && !ANIMATOR.frame_progress) {
if(!recoverCache()) {
var _dim = inputs[| input_len + 0].getValue();
var _outSurf = outputs[| 0].getValue();
_outSurf = surface_verify(_outSurf, _dim[0], _dim[1], attrDepth());
outputs[| 0].setValue(_outSurf);
}
return;
}
if(ANIMATOR.current_frame == 0)
reset();
runVFX(ANIMATOR.current_frame);
}
function render(_time = ANIMATOR.current_frame) {
var _dim = inputs[| input_len + 0].getValue(_time);
var _exact = inputs[| input_len + 1].getValue(_time);
var _blend = inputs[| input_len + 2].getValue(_time);
var _outSurf = outputs[| 0].getValue();
_outSurf = surface_verify(_outSurf, _dim[0], _dim[1], attrDepth());
outputs[| 0].setValue(_outSurf);
surface_set_shader(_outSurf);
shader_set_interpolation(_outSurf);
if(_blend == PARTICLE_BLEND_MODE.normal)
BLEND_NORMAL;
else if(_blend == PARTICLE_BLEND_MODE.alpha)
BLEND_ALPHA;
else if(_blend == PARTICLE_BLEND_MODE.additive)
BLEND_ADD;
var surf_w = surface_get_width(_outSurf);
var surf_h = surface_get_height(_outSurf);
for(var i = 0; i < attributes[? "part_amount"]; i++)
parts[i].draw(_exact, surf_w, surf_h);
BLEND_NORMAL;
surface_reset_shader();
if(ANIMATOR.is_playing)
cacheCurrentFrame(_outSurf);
}
}