Pixel-Composer/scripts/node_chromatic_aberration/node_chromatic_aberration.gml
2022-12-13 15:20:36 +07:00

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function Node_Chromatic_Aberration(_x, _y, _group = -1) : Node_Processor(_x, _y, _group) constructor {
name = "Chromatic aberration";
shader = sh_chromatic_aberration;
uniform_dim = shader_get_uniform(shader, "dimension");
uniform_cen = shader_get_uniform(shader, "center");
uniform_str = shader_get_uniform(shader, "strength");
inputs[| 0] = nodeValue(0, "Surface in", self, JUNCTION_CONNECT.input, VALUE_TYPE.surface, 0);
inputs[| 1] = nodeValue(1, "Center", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 0, 0 ])
.setDisplay(VALUE_DISPLAY.vector);
inputs[| 2] = nodeValue(2, "Strength", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1)
.setDisplay(VALUE_DISPLAY.slider, [0, 16, 0.01]);
outputs[| 0] = nodeValue(0, "Surface out", self, JUNCTION_CONNECT.output, VALUE_TYPE.surface, PIXEL_SURFACE);
static drawOverlay = function(active, _x, _y, _s, _mx, _my) {
var pos = inputs[| 1].getValue();
var px = _x + pos[0] * _s;
var py = _y + pos[1] * _s;
inputs[| 1].drawOverlay(active, _x, _y, _s, _mx, _my);
}
static process_data = function(_outSurf, _data, _output_index) {
surface_set_target(_outSurf);
draw_clear_alpha(0, 0);
BLEND_ADD
var center = _data[1];
var stren = _data[2];
shader_set(shader);
shader_set_uniform_f_array(uniform_dim, [ surface_get_width(_data[0]), surface_get_height(_data[0]) ]);
shader_set_uniform_f_array(uniform_cen, center);
shader_set_uniform_f(uniform_str, stren);
draw_surface_safe(_data[0], 0, 0);
shader_reset();
BLEND_NORMAL
surface_reset_target();
return _outSurf;
}
}