Pixel-Composer/scripts/node_path_plot/node_path_plot.gml
2024-08-08 11:57:51 +07:00

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function Node_Path_Plot(_x, _y, _group = noone) : Node(_x, _y, _group) constructor {
name = "Plot Path";
length = 0;
setDimension(96, 48);;
inputs[0] = nodeValue_Vector("Output scale", self, [ 8, 8 ]);
inputs[1] = nodeValue_Enum_Scroll("Coordinate", self, 0, [ new scrollItem("Cartesian", s_node_axis_type, 0),
new scrollItem("Polar", s_node_axis_type, 1), ]);
eq_type_car = [ "x function", "y function", "parametric" ];
eq_type_pol = [ "r function", "O function", "parametric" ];
inputs[2] = nodeValue_Enum_Scroll("Equation type", self, 0, eq_type_car);
inputs[3] = nodeValue_Text("0 function", self, "");
inputs[4] = nodeValue_Text("1 function", self, "");
inputs[5] = nodeValue_Vector("Origin", self, [ DEF_SURF_W / 2, DEF_SURF_H / 2 ] );
inputs[6] = nodeValue_Slider_Range("Range", self, [ 0, 1 ], { range: [ -1, 1, 0.01 ] });
inputs[7] = nodeValue_Vector("Input scale", self, [ 1, 1 ]);
inputs[8] = nodeValue_Vector("Input shift", self, [ 0, 0 ]);
outputs[0] = nodeValue_Output("Path", self, VALUE_TYPE.pathnode, self);
input_display_list = [
[ "Variable", false ], 5, 7, 8, 0,
[ "Equation", false ], 1, 2, 3, 4, 6,
]
boundary = new BoundingBox( 0, 0, 1, 1 );
cached_pos = ds_map_create();
static drawOverlay = function(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
inputs[5].drawOverlay(hover, active, _x, _y, _s, _mx, _my, _snx, _sny);
}
static getLineCount = function() { return 1; }
static getSegmentCount = function() { return 1; }
static getLength = function(ind = 0) { return length; }
static getAccuLength = function(ind = 0) { return [ length ]; }
static getPointRatio = function(_rat, ind = 0, out = undefined) {
if(out == undefined) out = new __vec2(); else { out.x = 0; out.y = 0; }
var _sca = getInputData(0);
var _coor = getInputData(1);
var _eqa = getInputData(2);
var _eq0 = getInputData(3);
var _eq1 = getInputData(4);
var _orig = getInputData(5);
var _ran = getInputData(6);
var _iran = getInputData(7);
var _shf = getInputData(8);
_rat = _ran[0] + (_rat * (_ran[1] - _ran[0]));
switch(_coor) {
case 0 :
switch(_eqa) {
case 0 :
out.x = _rat * _iran[0] + _shf[0];
out.y = evaluateFunction(_eq0, { x: _rat * _iran[0] + _shf[0] });
break;
case 1 :
out.x = evaluateFunction(_eq0, { y: _rat * _iran[1] + _shf[1] });
out.y = _rat * _iran[1] + _shf[1];
break;
case 2 :
out.x = evaluateFunction(_eq0, { t: _rat * _iran[0] + _shf[0] });
out.y = evaluateFunction(_eq1, { t: _rat * _iran[1] + _shf[1] });
break;
}
break;
case 1 :
var _a = new __vec2();
switch(_eqa) {
case 0 :
_a.x = _rat * _iran[0] + _shf[0];
_a.y = evaluateFunction(_eq0, { r: _rat * _iran[0] + _shf[0] });
break;
case 1 :
_a.x = evaluateFunction(_eq0, { O: _rat * _iran[1] + _shf[1] });
_a.y = _rat * _iran[1] + _shf[1];
break;
case 2 :
_a.x = evaluateFunction(_eq0, { t: _rat * _iran[0] + _shf[0] });
_a.y = evaluateFunction(_eq1, { t: _rat * _iran[1] + _shf[1] });
break;
}
out.x = cos(_a.y) * _a.x;
out.y = -sin(_a.y) * _a.x;
break;
}
out.x = out.x * _sca[0] + _orig[0];
out.y = -out.y * _sca[1] + _orig[1];
return out;
}
static getPointDistance = function(_dist, ind = 0, out = undefined) { return getPointRatio(_dist / getLength(ind), ind, out); }
static getBoundary = function() { return boundary; }
static step = function() {
var _coor = getInputData(1);
var _eqa = getInputData(2);
inputs[2].editWidget.data_list = _coor? eq_type_pol : eq_type_car;
switch(_coor) {
case 0 :
switch(_eqa) {
case 0 :
inputs[3].name = "f(x) = ";
inputs[4].setVisible(false);
inputs[6].name = "x range";
break;
case 1 :
inputs[3].name = "f(y) = ";
inputs[4].setVisible(false);
inputs[6].name = "y range";
break;
case 2 :
inputs[3].name = "x(t) = ";
inputs[4].name = "y(t) = ";
inputs[4].setVisible(true);
inputs[6].name = "t range";
break;
}
break;
case 1 :
switch(_eqa) {
case 0 :
inputs[3].name = "f(r) = ";
inputs[4].setVisible(false);
inputs[6].name = "r range";
break;
case 1 :
inputs[3].name = "f(O) = ";
inputs[4].setVisible(false);
inputs[6].name = "O range";
break;
case 2 :
inputs[3].name = "r(t) = ";
inputs[4].name = "O(t) = ";
inputs[4].setVisible(true);
inputs[6].name = "t range";
break;
}
break;
}
}
static updateBoundary = function() {
boundary = new BoundingBox( 0, 0, 1, 1 );
length = 0;
var sample = 64;
var op, np;
for( var i = 0; i <= sample; i++ ) {
np = getPointRatio(i / sample);
boundary.addPoint(np.x, np.y);
if(i) length += point_distance(op.x, op.y, np.x, np.y);
op = np;
}
}
static update = function() {
updateBoundary();
outputs[0].setValue(self);
}
static onDrawNode = function(xx, yy, _mx, _my, _s, _hover, _focus) {
var bbox = drawGetBbox(xx, yy, _s);
draw_sprite_fit(s_node_path_trim, 0, bbox.xc, bbox.yc, bbox.w, bbox.h);
}
}