Pixel-Composer/scripts/node_edge_detect/node_edge_detect.gml

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2022-12-13 09:20:36 +01:00
function Node_Edge_Detect(_x, _y, _group = -1) : Node_Processor(_x, _y, _group) constructor {
name = "Edge detect";
uniform_dim = shader_get_uniform(sh_edge_detect, "dimension");
uniform_filter = shader_get_uniform(sh_edge_detect, "filter");
inputs[| 0] = nodeValue(0, "Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 1] = nodeValue(1, "Filter", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_scroll, ["Sobel", "Prewitt", "Laplacian"] );
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outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, PIXEL_SURFACE);
static process_data = function(_outSurf, _data, _output_index) {
var ft = _data[1];
surface_set_target(_outSurf);
draw_clear_alpha(0, 0);
BLEND_ADD
shader_set(sh_edge_detect);
shader_set_uniform_f_array(uniform_dim, [surface_get_width(_data[0]), surface_get_height(_data[0])]);
shader_set_uniform_i(uniform_filter, ft);
draw_surface_safe(_data[0], 0, 0);
shader_reset();
BLEND_NORMAL
surface_reset_target();
return _outSurf;
}
}