mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 06:23:55 +01:00
98 lines
2.4 KiB
Plaintext
98 lines
2.4 KiB
Plaintext
function curveBox(_onModify) constructor {
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onModify = _onModify;
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active = false;
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hover = false;
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node_dragging = -1;
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drag_range = 0;
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drag_max = 0;
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static get_y = function(val, _y, _h, y_max, y_range) {
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return _y + _h * clamp((y_max - val) / y_range, 0, 1);
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}
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static draw = function(_x, _y, _w, _h, _data, _m) {
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static curve_amo = 3;
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var curve_h = _h;
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#region curve
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var _range;
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_range = bezier_range(_data[0], _data[1], _data[2], _data[3]);
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var y_min = min(0, _range[0]);
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var y_max = max(1, _range[1]);
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var y_range = y_max - y_min;
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var _y_0 = get_y(0, _y, curve_h, y_max, y_range);
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var _y_1 = get_y(1, _y, curve_h, y_max, y_range);
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draw_set_color(COLORS.widget_curve_outline);
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draw_set_alpha(0.5);
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draw_line(_x + _w / 3, _y, _x + _w / 3, _y + curve_h);
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draw_line(_x + _w / 3 * 2, _y, _x + _w / 3 * 2, _y + curve_h);
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draw_line(_x, _y_0, _x + _w, _y_0);
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draw_line(_x, _y_1, _x + _w, _y_1);
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draw_set_alpha(1);
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draw_rectangle(_x, _y, _x + _w, _y + curve_h, true);
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if(node_dragging != -1) {
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var _my = -((_m[1] - _y) / curve_h * drag_range - drag_max);
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_my = clamp(_my, 0, 1);
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_data[node_dragging] = _my;
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if(mouse_release(mb_left)) {
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onModify(_data);
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node_dragging = -1;
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}
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}
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var _y0 = _data[0];
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var _y1 = _data[1];
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var _y2 = _data[2];
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var _y3 = _data[3];
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var _dy = _y + (y_max - 1) / y_range * curve_h;
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var _dh = -curve_h / y_range;
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draw_set_color(COLORS.widget_curve_line);
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draw_line_bezier_cubic(_x, _dy, _w, _dh, _y0, _y1, _y2, _y3);
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var node_hovering = -1;
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for(var i = 0; i < 4; i++) {
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var _nx = i / 3 * _w + _x;
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var _ny = get_y(_data[i], _y, curve_h, y_max, y_range);
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draw_set_color(COLORS.widget_curve_outline);
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draw_circle(_nx, _ny, 3, false);
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if(hover && point_in_circle(_m[0], _m[1], _nx, _ny, 6)) {
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draw_circle(_nx, _ny, 5, false);
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node_hovering = i;
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}
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}
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if(mouse_press(mb_left, active)) {
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if(node_hovering != -1) {
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node_dragging = node_hovering;
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drag_range = y_range;
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drag_max = y_max;
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}
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} else if(mouse_press(mb_right, active)) {
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switch(node_hovering) {
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case 0 : _data[0] = 0; break;
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case 1 : _data[1] = 0; break;
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case 2 : _data[2] = 1; break;
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case 3 : _data[3] = 1; break;
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}
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onModify(_data);
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}
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#endregion
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active = false;
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hover = false;
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}
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} |