File indexing completed on 2024-05-05 15:53:20

 /* GCompris - tangram.js
  *
  * SPDX-FileCopyrightText: 2016 Bruno Coudoin <bruno.coudoin@gcompris.net>
  *
  * Authors:
  *   Yves Combe / Philippe Banwarth (GTK+ version)
  *   Bruno Coudoin <bruno.coudoin@gcompris.net> (Qt Quick port)
  *
  *   SPDX-License-Identifier: GPL-3.0-or-later
  */
 .pragma library
 .import QtQuick 2.12 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var items
 
 function start(items_) {
     items = items_
     items.currentLevel = Core.getInitialLevel(items.numberOfLevel);
     initLevel()
 }
 
 function stop() {
 }
 
 function initLevel() {
 }
 
 function nextLevel() {
     items.currentLevel = Core.getNextLevel(items.currentLevel, items.numberOfLevel);
     initLevel();
 }
 
 function previousLevel() {
     items.currentLevel = Core.getPreviousLevel(items.currentLevel, items.numberOfLevel);
     initLevel();
 }
 
 function getRandomInt(min, max) {
     return Math.floor(Math.random() * (max - min + 1) + min);
 }
 
 // Determines the angle of a straight line drawn between point one and two.
 // The number returned, which is a float in radian,
 // tells us how much we have to rotate a horizontal line clockwise
 // for it to match the line between the two points.
 function getAngleOfLineBetweenTwoPoints(x1, y1, x2, y2) {
     var xDiff = x2 - x1;
     var yDiff = y2 - y1;
     return Math.atan2(yDiff, xDiff);
 }
 
 function getDistance(ix, iy, jx, jy) {
     return Math.sqrt(Math.pow((ix - jx), 2) + Math.pow((iy - jy), 2))
 }
 
 function dumpTans(tans) {
     console.log("== tans ==")
     for(var i = 0; i < tans.length; i++) {
         console.log(tans[i].img, tans[i].x, tans[i].y, tans[i].rotation, tans[i].flipping)
     }
 }
 
 /* Returns the [x, y] coordinate of the closest point */
 function getClosest(point) {
     var nbpiece = items.currentTans.pieces.length
     var closestItem
     var closestDist = 1
     for(var i = 0; i < nbpiece; i++) {
         var p1 = items.currentTans.pieces[i]
         var dist = getDistance(p1.x, p1.y, point[0], point[1])
         if(dist < closestDist) {
             closestDist = dist
             closestItem = p1
         }
     }
 
     if(closestDist < 0.1)
         return [closestItem.x, closestItem.y]
     return
 }
 
 function check() {
     var nbpiece = items.currentTans.pieces.length
     var userTans = items.userList.asTans()
     for(var i = 0; i < nbpiece; i++) {
         var p1 = items.currentTans.pieces[i]
         var ok = false
         for(var j = 0; j < nbpiece; j++) {
             var p2 = userTans[j]
             // Check type distance and rotation are close enough
             if(p1.img === p2.img &&
                     p1.flipping == p2.flipping &&
                     getDistance(p1.x, p1.y, p2.x, p2.y) < 0.01 &&
                     p1.rotation === p2.rotation ) {
                 ok = true
                 break
             }
         }
         if(!ok)
             return false
     }
     return true
 }
 
 function toDataset() {
     var nbpiece = items.currentTans.pieces.length
     var userTans = items.userList.asTans()
     var tanss = '            {\n' +
                 "                'bg': '',\n" +
                 "                'name': '" + items.currentTans.name + "',\n" +
                 "                'colorMask': '#999',\n" +
                 "                'pieces': [\n"
     for(var i = 0; i < nbpiece; i++) {
         var p1 = items.currentTans.pieces[i]
         var p2 = userTans[i]
         tanss += '                    {' + '\n' +
                 "                        'img': '" + p1.img + "',\n" +
                 "                        'flippable': " + p1.flippable + ',\n' +
                 "                        'flipping': " + p2.flipping + ',\n' +
                 "                        'height': " + p1.height + ',\n' +
                 "                        'initFlipping': " + p1.initFlipping + ',\n' +
                 "                        'initRotation': " + p1.initRotation + ',\n' +
                 "                        'initX': " + p1.initX + ',\n' +
                 "                        'initY': " + p1.initY + ',\n' +
                 "                        'moduloRotation': " + p1.moduloRotation + ',\n' +
                 "                        'rotation': " + p2.rotation + ',\n' +
                 "                        'width': " + p1.width + ',\n' +
                 "                        'x': " + p2.x + ',\n' +
                 "                        'y': " + p2.y + '\n' +
                 "                    },\n";
     }
     tanss += '                ]\n' +
              '            },\n'
     return(tanss)
 }
 
 /* In edition mode arrow keys allow the move by 1 pixels in any direction */
 function processPressedKey(event) {
 
     if ( items.editionMode && items.selectedItem && items.selectedItem.selected) {
         /* Move the player */
         switch (event.key) {
         case Qt.Key_Right:
             items.selectedItem.x += 1
             event.accepted = true
             break
         case Qt.Key_Left:
             items.selectedItem.x -= 1
             event.accepted = true
             break
         case Qt.Key_Up:
             items.selectedItem.y -= 1
             event.accepted = true
             break
         case Qt.Key_Down:
             items.selectedItem.y += 1
             event.accepted = true
             break
         }
     }
 }