mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-09-21 04:41:52 +02:00
86 lines
2.8 KiB
Plaintext
86 lines
2.8 KiB
Plaintext
function canvas_tool_brush(brush, eraser = false) : canvas_tool() constructor {
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self.brush = brush;
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isEraser = eraser;
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brush_resizable = true;
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mouse_cur_x = 0;
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mouse_cur_y = 0;
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mouse_pre_x = 0;
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mouse_pre_y = 0;
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mouse_pre_draw_x = undefined;
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mouse_pre_draw_y = undefined;
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function step(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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mouse_cur_x = round((_mx - _x) / _s - 0.5);
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mouse_cur_y = round((_my - _y) / _s - 0.5);
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if(mouse_pre_draw_x != undefined && mouse_pre_draw_y != undefined && key_mod_press(SHIFT) && key_mod_press(CTRL)) {
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var aa = point_direction(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
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var dd = point_distance(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
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var _a = round(aa / 45) * 45;
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dd = dd * cos(degtorad(_a - aa));
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mouse_cur_x = mouse_pre_draw_x + lengthdir_x(dd, _a);
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mouse_cur_y = mouse_pre_draw_y + lengthdir_y(dd, _a);
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}
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if(mouse_press(mb_left, active)) {
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surface_set_shader(drawing_surface, noone);
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canvas_draw_point_size(brush, mouse_cur_x, mouse_cur_y, true);
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surface_reset_shader();
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mouse_holding = true;
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if(mouse_pre_draw_x != undefined && mouse_pre_draw_y != undefined && key_mod_press(SHIFT)) { ///////////////// shift line
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surface_set_shader(drawing_surface, noone, true, BLEND.alpha);
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canvas_draw_line_size(brush, mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y, true);
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surface_reset_shader();
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mouse_holding = false;
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apply_draw_surface();
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}
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node.tool_pick_color(mouse_cur_x, mouse_cur_y);
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mouse_pre_draw_x = mouse_cur_x;
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mouse_pre_draw_y = mouse_cur_y;
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}
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if(mouse_holding) {
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var _move = mouse_pre_draw_x != mouse_cur_x || mouse_pre_draw_y != mouse_cur_y;
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var _1stp = brush.brush_dist_min == brush.brush_dist_max && brush.brush_dist_min == 1;
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if(_move || !_1stp) {
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surface_set_shader(drawing_surface, noone, false, BLEND.alpha);
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if(_1stp) canvas_draw_point_size(brush, mouse_cur_x, mouse_cur_y, true);
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canvas_draw_line_size(brush, mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y, true);
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surface_reset_shader();
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}
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mouse_pre_draw_x = mouse_cur_x;
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mouse_pre_draw_y = mouse_cur_y;
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if(mouse_release(mb_left)) {
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mouse_holding = false;
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apply_draw_surface();
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}
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}
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BLEND_NORMAL;
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mouse_pre_x = mouse_cur_x;
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mouse_pre_y = mouse_cur_y;
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}
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function drawPreview(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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if(isEraser) draw_set_color(c_white);
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if(mouse_pre_draw_x != undefined && mouse_pre_draw_y != undefined && key_mod_press(SHIFT))
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canvas_draw_line_size(brush, mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
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else
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canvas_draw_point_size(brush, mouse_cur_x, mouse_cur_y);
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}
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} |