wonder.js/lib/js/src/jiehuo/CoordinateUtils.js

3d webgl engine

'use strict';

var ViewService$Wonderjs = require("../service/record/main/device/ViewService.js");
var Matrix4Service$Wonderjs = require("../service/atom/Matrix4Service.js");
var Vector3Service$Wonderjs = require("../service/atom/Vector3Service.js");

function getSceneViewSize(state) {
  var canvas = ViewService$Wonderjs.unsafeGetCanvas(state[/* viewRecord */8]);
  return /* tuple */[
          canvas.width,
          canvas.height
        ];
}

function convertMouselocationInViewToNDC(param, param$1) {
  return /* record */[
          /* x */param[0] / param$1[0] * 2 - 1,
          /* y */1 - param[1] / param$1[1] * 2
        ];
}

function convertPosFromWorldToLocalCoordSystem(pos, mMatrix, state) {
  return Vector3Service$Wonderjs.transformMat4Tuple(pos, Matrix4Service$Wonderjs.invert(mMatrix, Matrix4Service$Wonderjs.createIdentityMatrix4(/* () */0)));
}

exports.getSceneViewSize = getSceneViewSize;
exports.convertMouselocationInViewToNDC = convertMouselocationInViewToNDC;
exports.convertPosFromWorldToLocalCoordSystem = convertPosFromWorldToLocalCoordSystem;
/* ViewService-Wonderjs Not a pure module */