mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-26 15:06:22 +01:00
98 lines
No EOL
2.4 KiB
Text
98 lines
No EOL
2.4 KiB
Text
function curveBox(_onModify) constructor {
|
|
onModify = _onModify;
|
|
|
|
active = false;
|
|
hover = false;
|
|
|
|
node_dragging = -1;
|
|
|
|
drag_range = 0;
|
|
drag_max = 0;
|
|
|
|
function get_y(val, _y, _h, y_max, y_range) {
|
|
return _y + _h * clamp((y_max - val) / y_range, 0, 1);
|
|
}
|
|
|
|
function draw(_x, _y, _w, _h, _data, _m) {
|
|
static curve_amo = 3;
|
|
var curve_h = _h - 32;
|
|
|
|
#region curve
|
|
var _range;
|
|
_range = bezier_range(_data[0], _data[1], _data[2], _data[3]);
|
|
var y_min = min(0, _range[0]);
|
|
var y_max = max(1, _range[1]);
|
|
var y_range = y_max - y_min;
|
|
|
|
var _y_0 = get_y(0, _y, curve_h, y_max, y_range);
|
|
var _y_1 = get_y(1, _y, curve_h, y_max, y_range);
|
|
|
|
draw_set_color(c_ui_blue_dkgrey);
|
|
draw_line(_x + _w / 3, _y, _x + _w / 3, _y + curve_h);
|
|
draw_line(_x + _w / 3 * 2, _y, _x + _w / 3 * 2, _y + curve_h);
|
|
|
|
draw_line(_x, _y_0, _x + _w, _y_0);
|
|
draw_line(_x, _y_1, _x + _w, _y_1);
|
|
|
|
draw_set_color(c_ui_blue_grey);
|
|
draw_rectangle(_x, _y, _x + _w, _y + curve_h, true);
|
|
|
|
if(node_dragging != -1) {
|
|
var _my = -((_m[1] - _y) / curve_h * drag_range - drag_max);
|
|
|
|
_data[node_dragging] = _my;
|
|
|
|
if(mouse_check_button_released(mb_left)) {
|
|
onModify(_data);
|
|
node_dragging = -1;
|
|
}
|
|
}
|
|
|
|
var _y0 = _data[0];
|
|
var _y1 = _data[1];
|
|
var _y2 = _data[2];
|
|
var _y3 = _data[3];
|
|
|
|
var _dy = _y + (y_max - 1) / y_range * curve_h;
|
|
var _dh = -curve_h / y_range;
|
|
|
|
draw_set_color(c_ui_blue_ltgrey);
|
|
draw_line_bezier_cubic(_x, _dy, _w, _dh, _y0, _y1, _y2, _y3);
|
|
|
|
var node_hovering = -1;
|
|
for(var i = 0; i < 4; i++) {
|
|
var _nx = i / 3 * _w + _x;
|
|
var _ny = get_y(_data[i], _y, curve_h, y_max, y_range);
|
|
|
|
draw_set_color(c_ui_blue_grey);
|
|
draw_circle(_nx, _ny, 3, false);
|
|
|
|
if(hover && point_in_circle(_m[0], _m[1], _nx, _ny, 6)) {
|
|
draw_circle(_nx, _ny, 5, false);
|
|
node_hovering = i;
|
|
}
|
|
}
|
|
|
|
if(active) {
|
|
if(mouse_check_button_pressed(mb_left)) {
|
|
if(node_hovering != -1) {
|
|
node_dragging = node_hovering;
|
|
drag_range = y_range;
|
|
drag_max = y_max;
|
|
}
|
|
} else if(mouse_check_button_pressed(mb_right)) {
|
|
switch(node_hovering) {
|
|
case 0 : _data[0] = 0; break;
|
|
case 1 : _data[1] = 0; break;
|
|
case 2 : _data[2] = 1; break;
|
|
case 3 : _data[3] = 1; break;
|
|
}
|
|
onModify(_data);
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
active = false;
|
|
hover = false;
|
|
}
|
|
} |