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https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-25 14:36:13 +01:00
93 lines
No EOL
2.6 KiB
Text
93 lines
No EOL
2.6 KiB
Text
function Node_SDF(_x, _y, _group = -1) : Node_Processor(_x, _y, _group) constructor {
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name = "SDF";
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uniform_sdf_dim = shader_get_uniform(sh_sdf, "dimension");
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uniform_sdf_stp = shader_get_uniform(sh_sdf, "stepSize");
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uniform_sdf_sid = shader_get_uniform(sh_sdf, "side");
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uniform_dst_sid = shader_get_uniform(sh_sdf_dist, "side");
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uniform_dst_dst = shader_get_uniform(sh_sdf_dist, "max_distance");
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inputs[| 0] = nodeValue("Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
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inputs[| 1] = nodeValue("Active", self, JUNCTION_CONNECT.input, VALUE_TYPE.boolean, true);
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active_index = 1;
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inputs[| 2] = nodeValue("Side", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 2)
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.setDisplay(VALUE_DISPLAY.enum_button, [ "Inside", "Outside", "Both" ]);
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inputs[| 3] = nodeValue("Max distance", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
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.setDisplay(VALUE_DISPLAY.slider, [ 0, 2, 0.01 ]);
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outputs[| 0] = nodeValue("Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, noone);
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input_display_list = [ 1,
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["Surface", false], 0,
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["SDF", false], 2, 3,
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]
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pass = [ 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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var inSurf = _data[0];
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var _side = _data[2];
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var _dist = _data[3];
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var sw = surface_get_width(inSurf);
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var sh = surface_get_height(inSurf);
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var n = max(sw, sh);
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pass[0] = surface_verify(pass[0], n, n);
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pass[1] = surface_verify(pass[1], n, n);
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_outSurf = surface_verify(_outSurf, sw, sh);
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surface_set_target(pass[0]);
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draw_clear_alpha(0, 0);
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BLEND_OVERRIDE;
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shader_set(sh_sdf_tex);
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draw_surface_safe(inSurf, 0, 0);
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shader_reset();
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BLEND_NORMAL;
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surface_reset_target();
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var step = ceil(log2(n));
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var stepSize = power(2, step);
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var bg = 0;
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//step = 2;
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repeat(step) {
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stepSize /= 2;
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bg = !bg;
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surface_set_target(pass[bg]);
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draw_clear_alpha(0, 0);
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BLEND_OVERRIDE;
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shader_set(sh_sdf);
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shader_set_uniform_f(uniform_sdf_dim, n, n );
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shader_set_uniform_f(uniform_sdf_stp, stepSize);
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shader_set_uniform_i(uniform_sdf_sid, _side);
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draw_surface_safe(pass[!bg], 0, 0);
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shader_reset();
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BLEND_NORMAL;
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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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shader_set(sh_sdf_dist);
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shader_set_uniform_i(uniform_dst_sid, _side);
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shader_set_uniform_f(uniform_dst_dst, _dist);
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draw_surface_safe(pass[bg], 0, 0);
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shader_reset();
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BLEND_NORMAL;
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surface_reset_target();
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return _outSurf;
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}
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} |