Created
March 8, 2017 23:30
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>X movement Collision Left Only</title> | |
| </head> | |
| <body> | |
| <!-- Put your page markup here --> | |
| <div class="box" id="blue"></div> | |
| <div class="box" id="red"></div> | |
| </body> | |
| </html> |
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| {"enabledLibraries":["jquery"]} |
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| function checkCollision() { | |
| var blueLeft = $("#blue").offset().left; | |
| var redLeft = $("#red").offset().left; | |
| var blueTop = $("#blue").offset().top; | |
| var redTop = $("#red").offset().top; | |
| var blueRight = blueLeft + $("#blue").width(); | |
| var redRight = redLeft + $("#red").width(); | |
| var blueDown = blueTop + $("#blue").width(); | |
| var redDown = redTop + $("#red").width(); | |
| if(blueRight > redLeft && blueLeft < redRight && blueDown > redTop && blueTop < redDown){ | |
| alert("Touching, you are now gone; press any arrow key to restart"); | |
| $("#blue").hide(); | |
| } | |
| else{ | |
| $("#blue").show(); | |
| } | |
| } | |
| $("body").keydown(function(event) { | |
| //moves left | |
| if (event.which === 37) { | |
| $("#blue").css("left", $("#blue").offset().left - 10); | |
| //moves right | |
| } else if (event.which === 39) { | |
| $("#blue").css("left", $("#blue").offset().left + 10); | |
| } | |
| else if(event.which === 38){ | |
| $("#blue").css("top", $("#blue").offset().top - 10); | |
| } | |
| else if(event.which === 40){ | |
| $("#blue").css("top", $("#blue").offset().top + 10); | |
| } | |
| else { | |
| return; | |
| } | |
| //Checks for position relative to each other | |
| checkCollision(); | |
| }); | |
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| .box { | |
| height: 100px; | |
| width: 100px; | |
| position: absolute; | |
| } | |
| #blue { | |
| background-color: rgba(0, 0, 255, 0.7); | |
| z-index: 1; | |
| } | |
| #red { | |
| background-color: red; | |
| left: 50%; | |
| top: 50%; | |
| margin-left: -50px; | |
| } |
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