Pixel-Composer/scripts/node_array_convolute/node_array_convolute.gml

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function Node_Array_Convolute(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
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name = "Array Convolute";
setDimension(96, 32 + 24);
inputs[| 0] = nodeValue("Array", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 0)
.setArrayDepth(1)
.setVisible(true, true);
inputs[| 1] = nodeValue("Kernel", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [])
.setArrayDepth(1)
.setVisible(true, true);
outputs[| 0] = nodeValue("Array", self, JUNCTION_CONNECT.output, VALUE_TYPE.float, 0)
.setArrayDepth(1);
static convolute = function(arr, ker) {
__tmp_ker = ker;
__tmp_arr = arr;
__tmp_len = array_length(ker);
__tmp_arn = array_length(arr);
__tmp_st = floor((__tmp_len - 1) / 2);
return array_map(arr, function(val, ind) {
var ret = 0;
for(var i = 0; i < __tmp_len; i++) {
var _ind = ind + i - __tmp_st;
if(_ind < 0) continue;
if(_ind >= __tmp_arn) continue;
ret += __tmp_arr[_ind] * __tmp_ker[i];
}
return ret;
});
}
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static update = function(frame = CURRENT_FRAME) {
var _arr = getInputData(0);
var _ker = getInputData(1);
if(!is_array(_arr) || !is_array(_ker)) return;
if(array_empty(_arr) || array_empty(_ker)) return;
var res;
if(is_array(_arr[0])) {
for( var i = 0, n = array_length(_arr); i < n; i++ )
res[i] = convolute(_arr[i], _ker);
} else
res = convolute(_arr, _ker);
outputs[| 0].setValue(res);
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
draw_sprite_fit(s_node_array_convolute, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
}
}