mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-29 08:26:27 +01:00
89 lines
No EOL
2.8 KiB
Text
89 lines
No EOL
2.8 KiB
Text
// 2024-04-14 14:45:30
|
|
function canvas_tool_brush(brush, eraser = false) : canvas_tool() constructor {
|
|
self.brush = brush;
|
|
isEraser = eraser;
|
|
|
|
brush_resizable = true;
|
|
|
|
mouse_cur_x = 0;
|
|
mouse_cur_y = 0;
|
|
mouse_pre_x = 0;
|
|
mouse_pre_y = 0;
|
|
mouse_pre_draw_x = undefined;
|
|
mouse_pre_draw_y = undefined;
|
|
|
|
function step(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
|
|
|
|
mouse_cur_x = round((_mx - _x) / _s - 0.5);
|
|
mouse_cur_y = round((_my - _y) / _s - 0.5);
|
|
|
|
if(mouse_pre_draw_x != undefined && mouse_pre_draw_y != undefined && key_mod_press(SHIFT) && key_mod_press(CTRL)) {
|
|
var aa = point_direction(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
|
|
var dd = point_distance(mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
|
|
var _a = round(aa / 45) * 45;
|
|
dd = dd * cos(degtorad(_a - aa));
|
|
|
|
mouse_cur_x = mouse_pre_draw_x + lengthdir_x(dd, _a);
|
|
mouse_cur_y = mouse_pre_draw_y + lengthdir_y(dd, _a);
|
|
}
|
|
|
|
if(mouse_press(mb_left, active)) {
|
|
brush_next_dist = 0;
|
|
|
|
surface_set_shader(drawing_surface, noone);
|
|
canvas_draw_point_size(brush, mouse_cur_x, mouse_cur_y, true);
|
|
surface_reset_shader();
|
|
|
|
mouse_holding = true;
|
|
if(mouse_pre_draw_x != undefined && mouse_pre_draw_y != undefined && key_mod_press(SHIFT)) { ///////////////// shift line
|
|
surface_set_shader(drawing_surface, noone, true, BLEND.alpha);
|
|
brush_next_dist = 0;
|
|
canvas_draw_line_size(brush, mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y, true);
|
|
surface_reset_shader();
|
|
mouse_holding = false;
|
|
|
|
apply_draw_surface();
|
|
}
|
|
|
|
node.tool_pick_color(mouse_cur_x, mouse_cur_y);
|
|
|
|
mouse_pre_draw_x = mouse_cur_x;
|
|
mouse_pre_draw_y = mouse_cur_y;
|
|
}
|
|
|
|
if(mouse_holding) {
|
|
var _move = mouse_pre_draw_x != mouse_cur_x || mouse_pre_draw_y != mouse_cur_y;
|
|
var _1stp = brush.brush_dist_min == brush.brush_dist_max && brush.brush_dist_min == 1;
|
|
|
|
if(_move || !_1stp) {
|
|
surface_set_shader(drawing_surface, noone, false, BLEND.alpha);
|
|
if(_1stp) canvas_draw_point_size(brush, mouse_cur_x, mouse_cur_y, true);
|
|
canvas_draw_line_size(brush, mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y, true);
|
|
surface_reset_shader();
|
|
}
|
|
|
|
mouse_pre_draw_x = mouse_cur_x;
|
|
mouse_pre_draw_y = mouse_cur_y;
|
|
|
|
if(mouse_release(mb_left)) {
|
|
mouse_holding = false;
|
|
apply_draw_surface();
|
|
}
|
|
}
|
|
|
|
BLEND_NORMAL;
|
|
|
|
mouse_pre_x = mouse_cur_x;
|
|
mouse_pre_y = mouse_cur_y;
|
|
|
|
}
|
|
|
|
function drawPreview(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
|
|
if(isEraser) draw_set_color(c_white);
|
|
|
|
if(mouse_pre_draw_x != undefined && mouse_pre_draw_y != undefined && key_mod_press(SHIFT))
|
|
canvas_draw_line_size(brush, mouse_pre_draw_x, mouse_pre_draw_y, mouse_cur_x, mouse_cur_y);
|
|
else
|
|
canvas_draw_point_size(brush, mouse_cur_x, mouse_cur_y);
|
|
}
|
|
} |