mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-09-20 20:31:25 +02:00
73 lines
2.0 KiB
Plaintext
73 lines
2.0 KiB
Plaintext
function canvas_freeform_step(active, _x, _y, _s, _mx, _my, _draw) { #region
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var _dim = attributes.dimension;
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var _mmx = (_mx - _x) / _s;
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var _mmy = (_my - _y) / _s;
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if(mouse_holding) {
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if(abs(_mmx - mouse_pre_x) + abs(_mmy - mouse_pre_y) >= 1) {
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if(_draw) {
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surface_set_target(drawing_surface);
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canvas_draw_line_brush(brush, round(mouse_pre_x - 0.5), round(mouse_pre_y - 0.5), round(_mmx - 0.5), round(_mmy - 0.5), true);
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surface_reset_target();
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}
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mouse_pre_x = _mmx;
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mouse_pre_y = _mmy;
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array_push(freeform_shape, new __vec2(_mmx, _mmy) );
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}
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if(mouse_release(mb_left)) {
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surface_set_target(drawing_surface);
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canvas_draw_line_brush(brush, _mmx, _mmy, freeform_shape[0].x, freeform_shape[0].y, true);
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surface_reset_target();
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if(array_length(freeform_shape) > 3) {
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var _triangles = polygon_triangulate(freeform_shape, 1)[0];
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var temp_surface = surface_create(_dim[0], _dim[1]);
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surface_set_target(temp_surface);
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DRAW_CLEAR
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draw_primitive_begin(pr_trianglelist);
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for( var i = 0, n = array_length(_triangles); i < n; i++ ) {
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var p0 = _triangles[i][0];
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var p1 = _triangles[i][1];
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var p2 = _triangles[i][2];
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draw_vertex(round(p0.x), round(p0.y));
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draw_vertex(round(p1.x), round(p1.y));
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draw_vertex(round(p2.x), round(p2.y));
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}
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draw_primitive_end();
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draw_surface_safe(drawing_surface);
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surface_reset_target();
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surface_set_shader(drawing_surface, sh_freeform_fill_cleanup);
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shader_set_f("dimension", _dim);
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draw_surface_ext(temp_surface, 0, 0, 1, 1, 0, draw_get_color(), draw_get_alpha());
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surface_reset_shader();
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surface_free(temp_surface);
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}
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mouse_holding = false;
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}
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} else if(mouse_press(mb_left, active)) {
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mouse_pre_x = _mmx;
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mouse_pre_y = _mmy;
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mouse_holding = true;
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freeform_shape = [ new __vec2(_mmx, _mmy) ];
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node.tool_pick_color(_mmx, _mmy);
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surface_clear(drawing_surface);
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}
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} #endregion |