mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-11 04:54:06 +01:00
84 lines
2.7 KiB
Plaintext
84 lines
2.7 KiB
Plaintext
function Node_Trail(_x, _y, _group = -1) : Node(_x, _y, _group) constructor {
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name = "Trail";
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use_cache = true;
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shader = sh_trail_filler;
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uni_dimension = shader_get_uniform(shader, "dimension");
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uni_range = shader_get_uniform(shader, "range");
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uni_sam_prev = shader_get_sampler_index(shader, "prevFrame");
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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, 5);
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inputs[| 2] = nodeValue("Loop", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, false);
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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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["Surface", true], 0,
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["Trail settings", false], 1, 2,
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];
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output_surf = surface_create(1, 1);
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static update = function() {
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if(!inputs[| 0].value_from) return;
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if(array_length(cached_output) != ANIMATOR.frames_total + 1) return;
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var _surf = inputs[| 0].getValue();
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var _life = inputs[| 1].getValue();
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var _loop = inputs[| 2].getValue();
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if(!is_surface(_surf)) return;
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cacheCurrentFrame(_surf);
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output_surf = surface_verify(output_surf, surface_get_width(_surf), surface_get_height(_surf));
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surface_set_target(output_surf);
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draw_clear_alpha(0, 0);
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surface_reset_target();
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var _outSurf = outputs[| 0].getValue();
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_outSurf = surface_verify(_outSurf, surface_get_width(_surf), surface_get_height(_surf));
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outputs[| 0].setValue(_outSurf);
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var curf = ANIMATOR.current_frame;
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var frame_amo = _loop? _life : min(_life, curf);
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var st_frame = curf - frame_amo;
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print("=====");
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for(var i = 0; i <= frame_amo; i++) {
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var frame_idx = st_frame + i;
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var prog = (frame_idx - (curf - _life)) / _life;
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if(_loop && frame_idx < 0) frame_idx = ANIMATOR.frames_total + frame_idx;
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var prev = _loop? safe_mod(frame_idx - 1 + ANIMATOR.frames_total, ANIMATOR.frames_total) : frame_idx - 1;
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if(!is_surface(getCacheFrame(frame_idx))) continue;
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if(!is_surface(getCacheFrame(prev))) {
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surface_set_target(output_surf);
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draw_surface(getCacheFrame(frame_idx), 0, 0);
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surface_reset_target();
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continue;
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}
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surface_set_target(output_surf);
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shader_set(sh_trail_filler);
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shader_set_uniform_f(uni_dimension, surface_get_width(_surf), surface_get_height(_surf));
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shader_set_uniform_f(uni_range, surface_get_width(_surf) / 2);
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texture_set_stage(uni_sam_prev, surface_get_texture(getCacheFrame(prev)));
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draw_surface(getCacheFrame(frame_idx), 0, 0);
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shader_reset();
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surface_reset_target();
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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(output_surf, 0, 0);
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BLEND_NORMAL;
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surface_reset_target();
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}
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} |