mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-10 20:45:35 +01:00
187 lines
4.5 KiB
Plaintext
187 lines
4.5 KiB
Plaintext
function canvas_tool_curve_bezier(brush) : canvas_tool() constructor {
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self.brush = brush;
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brush_resizable = true;
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anchors = [];
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mouse_cur_x = 0;
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mouse_cur_y = 0;
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editing = [ noone, 0 ];
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mouse_edit_mx = 0;
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mouse_edit_my = 0;
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mouse_edit_sx = 0;
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mouse_edit_sy = 0;
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mouse_hovering = [ noone, 0 ];
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draw_hovering = [];
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function init() {
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anchors = [];
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editing = [ noone, 0 ];
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}
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function apply() {
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apply_draw_surface();
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disable();
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}
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function cancel() {
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surface_clear(drawing_surface);
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disable();
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}
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function step(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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mouse_cur_x = (_mx - _x) / _s;
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mouse_cur_y = (_my - _y) / _s;
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if(editing[0] != noone) {
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var _a = anchors[editing[0]];
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var _dx = mouse_cur_x - mouse_edit_mx;
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var _dy = mouse_cur_y - mouse_edit_my;
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if(editing[1] == 0) {
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_a[2] += _dx;
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_a[3] += _dy;
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} else if(editing[1] == -1) {
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_a[0] += _dx;
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_a[1] += _dy;
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_a[4] -= _dx;
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_a[5] -= _dy;
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} else if(editing[1] == 1) {
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_a[0] -= _dx;
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_a[1] -= _dy;
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_a[4] += _dx;
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_a[5] += _dy;
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}
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mouse_edit_mx = mouse_cur_x;
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mouse_edit_my = mouse_cur_y;
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if(mouse_release(mb_left))
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editing[0] = noone;
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}
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if(mouse_press(mb_left, active)) {
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recordAction(ACTION_TYPE.var_modify, self, [ array_clone(anchors), "anchors" ]);
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if(mouse_hovering[0] == noone) {
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array_push(anchors, [ 0, 0, mouse_cur_x, mouse_cur_y, 0, 0 ]);
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editing[0] = array_length(anchors) - 1;
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editing[1] = 1;
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} else {
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if(key_mod_press(SHIFT))
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array_delete(anchors, mouse_hovering[0], 1);
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else {
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editing[0] = mouse_hovering[0];
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editing[1] = mouse_hovering[1];
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}
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}
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mouse_edit_mx = mouse_cur_x;
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mouse_edit_my = mouse_cur_y;
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mouse_edit_sx = mouse_cur_x;
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mouse_edit_sy = mouse_cur_y;
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}
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surface_set_shader(drawing_surface, noone);
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var ox, oy, nx, ny;
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var oax1, oay1, nax0, nay0;
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for (var i = 0, n = array_length(anchors); i < n; i++) {
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nx = anchors[i][2];
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ny = anchors[i][3];
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nax0 = nx + anchors[i][0];
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nay0 = ny + anchors[i][1];
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if(i) canvas_draw_curve_brush(brush, ox, oy, oax1, oay1, nax0, nay0, nx, ny);
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oax1 = nx + anchors[i][4];
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oay1 = ny + anchors[i][5];
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ox = nx;
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oy = ny;
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}
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surface_reset_shader();
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node.tool_curve_apply.setInteract(!array_empty(anchors));
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node.tool_curve_cancel.setInteract(!array_empty(anchors));
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if(key_press(vk_enter)) apply();
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if(key_press(vk_escape)) disable();
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}
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function drawPreview(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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draw_surface_ext_safe(drawing_surface, _x, _y, _s, _s);
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canvas_draw_point_brush(brush, mouse_cur_x, mouse_cur_y);
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}
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function drawMask(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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}
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function drawPostOverlay(hover, active, _x, _y, _s, _mx, _my, _snx, _sny) {
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var ox, oy, nx, ny, ax0, ay0, ax1, ay1;
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var oax1, oay1, nax0, nay0;
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draw_set_color(c_white);
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for (var i = 0, n = array_length(anchors); i < n; i++) {
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nx = _x + anchors[i][2] * _s;
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ny = _y + anchors[i][3] * _s;
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nax0 = nx + anchors[i][0] * _s;
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nay0 = ny + anchors[i][1] * _s;
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if(i) draw_curve_bezier(ox, oy, oax1, oay1, nax0, nay0, nx, ny);
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oax1 = nx + anchors[i][4] * _s;
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oay1 = ny + anchors[i][5] * _s;
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draw_line(nx, ny, nax0, nay0);
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draw_line(nx, ny, oax1, oay1);
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ox = nx;
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oy = ny;
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}
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mouse_hovering = [ noone, 0 ];
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draw_hovering = array_verify(draw_hovering, array_length(anchors) * 3);
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for (var i = 0, n = array_length(anchors); i < n; i++) {
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nx = _x + anchors[i][2] * _s;
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ny = _y + anchors[i][3] * _s;
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ax0 = nx + anchors[i][0] * _s;
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ay0 = ny + anchors[i][1] * _s;
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ax1 = nx + anchors[i][4] * _s;
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ay1 = ny + anchors[i][5] * _s;
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draw_anchor(0, nx, ny, lerp(10, 13, draw_hovering[i * 3 + 1]));
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draw_anchor(0, ax0, ay0, lerp( 7, 10, draw_hovering[i * 3 + 0]));
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draw_anchor(0, ax1, ay1, lerp( 7, 10, draw_hovering[i * 3 + 2]));
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if(point_in_circle(_mx, _my, nx, ny, 10)) mouse_hovering = [ i, 0 ];
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else if(point_in_circle(_mx, _my, ax0, ay0, 10)) mouse_hovering = [ i, -1 ];
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else if(point_in_circle(_mx, _my, ax1, ay1, 10)) mouse_hovering = [ i, 1 ];
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}
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if(mouse_hovering[0] != noone) {
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var index = mouse_hovering[0] * 3 + mouse_hovering[1] + 1;
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for (var i = 0, n = array_length(draw_hovering); i < n; i++)
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draw_hovering[i] = lerp_float(draw_hovering[i], i == index, 4);
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}
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}
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} |