Pixel-Composer/scripts/node_alpha_cutoff/node_alpha_cutoff.gml

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function Node_create_Alpha_Cutoff(_x, _y) {
var node = new Node_Alpha_Cutoff(_x, _y);
ds_list_add(PANEL_GRAPH.nodes_list, node);
return node;
}
function Node_Alpha_Cutoff(_x, _y) : Node_Processor(_x, _y) constructor {
name = "Alpha cutoff";
inputs[| 0] = nodeValue(0, "Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 1] = nodeValue(1, "Minimum", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0.2)
.setDisplay(VALUE_DISPLAY.slider, [0, 1, 0.01]);
outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, surface_create(1, 1));
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static process_data = function(_outSurf, _data, _output_index) {
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surface_set_target(_outSurf);
draw_clear_alpha(0, 0);
BLEND_ADD
shader_set(sh_alpha_cutoff);
shader_set_uniform_f(shader_get_uniform(sh_alpha_cutoff, "cutoff"), _data[1]);
draw_surface_safe(_data[0], 0, 0);
shader_reset();
BLEND_NORMAL
surface_reset_target();
return _outSurf;
}
}