src/Impetus.js
function checkBounds(restrict) {
            var xDiff = 0;
            var yDiff = 0;

            if (boundXmin !== undefined && targetX < boundXmin) {
                xDiff = boundXmin - targetX;
            } else if (boundXmax !== undefined && targetX > boundXmax) {
                xDiff = boundXmax - targetX;
            }

            if (boundYmin !== undefined && targetY < boundYmin) {
                yDiff = boundYmin - targetY;
            } else if (boundYmax !== undefined && targetY > boundYmax) {
                yDiff = boundYmax - targetY;
            }

            if (restrict) {
                if (xDiff !== 0) {
                    targetX = (xDiff > 0) ? boundXmin : boundXmax;
                }
                if (yDiff !== 0) {
                    targetY = (yDiff > 0) ? boundYmin : boundYmax;
                }
            }

            return {
                x: xDiff,
                y: yDiff,
                inBounds: xDiff === 0 && yDiff === 0
            };
        }
function checkBounds(restrict) {
            var xDiff = 0;
            var yDiff = 0;

            if (boundXmin !== undefined && targetX < boundXmin) {
                xDiff = boundXmin - targetX;
            } else if (boundXmax !== undefined && targetX > boundXmax) {
                xDiff = boundXmax - targetX;
            }

            if (boundYmin !== undefined && targetY < boundYmin) {
                yDiff = boundYmin - targetY;
            } else if (boundYmax !== undefined && targetY > boundYmax) {
                yDiff = boundYmax - targetY;
            }

            if (restrict) {
                if (xDiff !== 0) {
                    targetX = (xDiff > 0) ? boundXmin : boundXmax;
                }
                if (yDiff !== 0) {
                    targetY = (yDiff > 0) ? boundYmin : boundYmax;
                }
            }

            return {
                x: xDiff,
                y: yDiff,
                inBounds: xDiff === 0 && yDiff === 0
            };
        }
function checkBounds ( restrict ) { var xDiff = 0 ; var yDiff = 0 ; if ( boundXmin !== undefined && targetX < boundXmin ) { xDiff = boundXmin - targetX ; } else if ( boundXmax !== undefined && targetX > boundXmax ) { xDiff = boundXmax - targetX ; } if ( boundYmin !== undefined && targetY < boundYmin ) { yDiff = boundYmin - targetY ; } else if ( boundYmax !== undefined && targetY > boundYmax ) { yDiff = boundYmax - targetY ; } if ( restrict ) { if ( xDiff !== 0 ) { targetX = ( xDiff > 0 ) ? boundXmin : boundXmax ; } if ( yDiff !== 0 ) { targetY = ( yDiff > 0 ) ? boundYmin : boundYmax ; } } return { x : xDiff , y : yDiff , inBounds : xDiff === 0 && yDiff === 0 } ; }
Determine position relative to bounds
@param {Boolean} restrict Whether to restrict target to bounds
Determine position relative to bounds