mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-09-21 21:01:20 +02:00
73 lines
2.3 KiB
Plaintext
73 lines
2.3 KiB
Plaintext
function Node_Trail(_x, _y, _group = -1) : Node_Processor(_x, _y, _group) constructor {
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name = "Trail";
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use_cache = true;
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inputs[| 0] = nodeValue("Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
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inputs[| 1] = nodeValue("Max life", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 3);
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inputs[| 2] = nodeValue("Step", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 1);
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inputs[| 3] = nodeValue("Alpha decrease", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
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.setDisplay(VALUE_DISPLAY.slider, [0, 1, 0.01]);
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inputs[| 4] = nodeValue("Blend mode", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
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.setDisplay(VALUE_DISPLAY.enum_scroll, BLEND_TYPES );
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outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
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input_display_list = [
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["Trail settings", false], 0, 1, 2, 4, 3
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];
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temp_surf = [ surface_create(1, 1), surface_create(1, 1) ];
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static process_data = function(_outSurf, _data, _output_index, _array_index) {
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if(!inputs[| 0].value_from)
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return _outSurf;
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if(array_length(cached_output) != ANIMATOR.frames_total + 1)
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return _outSurf
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for(var i = 0; i < 2; i++) {
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temp_surf[i] = surface_verify(temp_surf[i], surface_get_width(_outSurf), surface_get_height(_outSurf));
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surface_set_target(temp_surf[i]);
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draw_clear_alpha(0, 0);
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surface_reset_target();
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}
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var _life = _data[1];
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var _step = _data[2];
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var _alpha = _data[3];
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var _blend = _data[4];
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var aa = 1;
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var res_index = 0;
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var frame_amo = min(_life, floor(ANIMATOR.current_frame / _step));
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var st_frame = ANIMATOR.current_frame - frame_amo * _step;
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for(var i = 0; i <= _life; i++) {
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var frame_idx = clamp(st_frame + i * _step, 0, ANIMATOR.frames_total - 1);
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var bg = i % 2;
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var fg = !bg;
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var aa = 1 - _alpha * (_life - i);
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surface_set_target(temp_surf[bg]);
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if(i == _life)
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draw_surface_safe(_data[0], 0, 0);
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else if(is_surface(cached_output[frame_idx]))
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draw_surface_blend(temp_surf[fg], cached_output[frame_idx], _blend, aa);
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surface_reset_target();
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res_index = bg;
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}
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surface_set_target(_outSurf);
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draw_clear_alpha(0, 0);
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BLEND_OVERRIDE;
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draw_surface_safe(temp_surf[res_index], 0, 0);
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BLEND_NORMAL;
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surface_reset_target();
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cacheCurrentFrame(_data[0]);
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return _outSurf;
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}
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} |