Pixel-Composer/scripts/slider/slider.gml

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2022-01-13 05:24:03 +01:00
function slider(_min, _max, _step, _onModify) constructor {
active = false;
hover = false;
minn = _min;
maxx = _max;
step = _step;
onModify = _onModify;
dragging = false;
drag_mx = 0;
drag_sx = 0;
tb_value = new textBox(TEXTBOX_INPUT.float, onModify);
function draw(_x, _y, _w, _h, _data, _m) {
var tb_w = 64;
var sw = _w - (tb_w + 16);
tb_value.hover = hover;
tb_value.active = active;
tb_value.draw(_x + sw + 16, _y, tb_w, 34, _data, _m);
draw_sprite_stretched(s_slider, 0, _x, _y + _h / 2 - 4, sw, 8);
var _kx = _x + clamp((_data - minn) / (maxx - minn), 0, 1) * sw;
draw_sprite_stretched(s_slider, 1, _kx - 10, _y, 20, _h);
if(dragging) {
draw_sprite_stretched(s_slider, 3, _kx - 10, _y, 20, _h);
var val = (_m[0] - _x) / sw * (maxx - minn) + minn;
val = round(val / step) * step;
val = clamp(val, minn, maxx);
onModify(val);
if(mouse_check_button_released(mb_left))
dragging = false;
} else {
if(hover && (point_in_rectangle(_m[0], _m[1], _x, _y, _x + sw, _y + _h) || point_in_rectangle(_m[0], _m[1], _kx - 10, _y, _kx + 10, _y + _h))) {
draw_sprite_stretched(s_slider, 2, _kx - 10, _y, 20, _h);
if(active && mouse_check_button_pressed(mb_left)) {
dragging = true;
drag_mx = _m[0];
drag_sx = _data;
}
}
}
hover = false;
active = false;
}
}