mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-25 14:36:13 +01:00
118 lines
No EOL
3.3 KiB
Text
118 lines
No EOL
3.3 KiB
Text
function canvas_tool_skew() : canvas_tool_shader() constructor {
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mouse_sx = 0;
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mouse_sy = 0;
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skew_bbox = [ 0, 0, 0, 0 ];
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skew_ax = 0;
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skew_inv = 0;
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skew_x = 0;
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skew_y = 0;
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skew_w = 1;
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skew_h = 1;
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__overlay_hover = [ 0, 0, 0, 0 ];
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function init() { mouse_init = true; }
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function onInit(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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var _sel = node.tool_selection;
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if(!_sel.is_selected) {
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PANEL_PREVIEW.tool_current = noone;
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return;
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}
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skew_bbox = [
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_sel.selection_position[0],
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_sel.selection_position[1],
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_sel.selection_position[0] + _sel.selection_size[0],
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_sel.selection_position[1] + _sel.selection_size[1],
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];
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skew_w = _sel.selection_size[0];
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skew_h = _sel.selection_size[1];
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doForceStep = true;
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}
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function forceStep(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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var x0 = _x + skew_bbox[0] * _s;
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var y0 = _y + skew_bbox[1] * _s;
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var x1 = _x + skew_bbox[2] * _s;
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var y1 = _y + skew_bbox[3] * _s;
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var xc = (x0 + x1) / 2;
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var yc = (y0 + y1) / 2;
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draw_surface_ext(preview_surface[0], _x, _y, _s, _s, 0, c_white, 1);
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draw_set_color(COLORS._main_accent);
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draw_rectangle_border(x0, y0, x1, y1, 1);
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var _hov_ax = noone;
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if(hover) {
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if(distance_to_line(_mx, _my, x0, y0, x1, y0) < 16) _hov_ax = 0;
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else if(distance_to_line(_mx, _my, x0, y1, x1, y1) < 16) _hov_ax = 1;
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else if(distance_to_line(_mx, _my, x0, y0, x0, y1) < 16) _hov_ax = 2;
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else if(distance_to_line(_mx, _my, x1, y0, x1, y1) < 16) _hov_ax = 3;
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}
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switch(_hov_ax) {
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case 0 : draw_line_width(x0, y0, x1, y0, 4); break;
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case 1 : draw_line_width(x0, y1, x1, y1, 4); break;
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case 2 : draw_line_width(x0, y0, x0, y1, 4); break;
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case 3 : draw_line_width(x1, y0, x1, y1, 4); break;
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}
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for(var i = 0; i < 4; i++) __overlay_hover[i] = lerp_float(__overlay_hover[i], i == _hov_ax, 3);
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draw_anchor_line(__overlay_hover[0], xc, y0, 16, 0);
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draw_anchor_line(__overlay_hover[1], xc, y1, 16, 0);
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draw_anchor_line(__overlay_hover[2], x0, yc, 16, 90);
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draw_anchor_line(__overlay_hover[3], x1, yc, 16, 90);
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if(_hov_ax != noone && mouse_press(mb_left, active)) {
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doForceStep = false;
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mouse_sx = _mx;
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mouse_sy = _my;
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skew_inv = 0;
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skew_x = 0;
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skew_y = 0;
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switch(_hov_ax) {
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case 0 : skew_ax = 0; skew_y = skew_bbox[3]; skew_inv = 1; break;
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case 1 : skew_ax = 0; skew_y = skew_bbox[1]; skew_inv = 0; break;
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case 2 : skew_ax = 1; skew_x = skew_bbox[2]; skew_inv = 1; break;
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case 3 : skew_ax = 1; skew_x = skew_bbox[0]; skew_inv = 0; break;
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}
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}
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}
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function stepEffect(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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var _dim = node.attributes.dimension;
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var _dx = (_mx - mouse_sx) / _s;
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var _dy = (_my - mouse_sy) / _s;
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var _amo = skew_ax? _dy / skew_h : _dx / skew_w;
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if(abs(_amo) > 1) _amo = round(_amo);
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else if(_amo != 0) _amo = 1 / ceil(1 / abs(_amo)) * sign(_amo);
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if(skew_inv) _amo = -_amo;
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surface_set_shader(preview_surface[1], sh_canvas_skew);
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shader_set_f("dimension", _dim);
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shader_set_f("origin", skew_x, skew_y);
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shader_set_i("axis", skew_ax);
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shader_set_f("amount", _amo);
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shader_set_color("color", CURRENT_COLOR);
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draw_surface(preview_surface[0], 0, 0);
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surface_reset_shader();
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}
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} |