{"id":17096,"date":"2022-10-23T03:16:01","date_gmt":"2022-10-22T21:46:01","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-know-if-the-object-is-moving-upward-or-downward\/"},"modified":"2022-10-23T03:16:01","modified_gmt":"2022-10-22T21:46:01","slug":"solved-how-to-know-if-the-object-is-moving-upward-or-downward","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-know-if-the-object-is-moving-upward-or-downward\/","title":{"rendered":"[Solved] How to know if the object is moving upward or downward?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-55899646\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"55899646\" data-parentid=\"55899104\" data-score=\"3\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>Assuming that the object has a rigidbody, you can use this in the update method (or anywhere for that matter) of a MonoBehavior attached to your GameObject.<\/p>\n<pre><code>Rigidbody rb = GetComponent&lt;Rigidbody&gt;();\nfloat verticalVelocity = rb.velocity.y;\n<\/code><\/pre>\n<p>If you want the velocity along <em>any<\/em> axis, you can use the dot product:<\/p>\n<pre><code>Rigidbody rb = GetComponent&lt;Rigidbody&gt;();\nVector3 someAxisInWorldSpace = transform.forward;\nfloat velocityAlongAxis = Vector3.Dot(rb.velocity, someAxisInWorldSpace); \n<\/code><\/pre>\n<p>The above code would give you the velocity along the GameObject&#8217;s forward axis (the forward velocity). <\/p>\n<p>If the object doesn&#8217;t have a rigidbody, you can save its old position in a variable and then compare it to the current position in the update loop.<\/p>\n<pre><code>Vector3 oldPosition;\n\nprivate void Start() {\n    oldPosition = transform.position;\n}\n\nprivate void Update() {\n    Vector3 velocity = transform.position - oldPosition;\n    float verticalVelocity = velocity.y \/ Time.deltaTime; \/\/ Divide by dt to get m\/s\n    oldPosition = transform.position;\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">3<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to know if the object is moving upward or downward? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Assuming that the object has a rigidbody, you can use this in the update method (or anywhere for that matter) of a MonoBehavior attached to your GameObject. Rigidbody rb = GetComponent&lt;Rigidbody&gt;(); float verticalVelocity = rb.velocity.y; If you want the velocity along any axis, you can use the dot product: Rigidbody rb = GetComponent&lt;Rigidbody&gt;(); Vector3 &#8230; <a title=\"[Solved] How to know if the object is moving upward or downward?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-know-if-the-object-is-moving-upward-or-downward\/\" aria-label=\"More on [Solved] How to know if the object is moving upward or downward?\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324,538],"class_list":["post-17096","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-unity3d"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to know if the object is moving upward or downward? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-know-if-the-object-is-moving-upward-or-downward\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to know if the object is moving upward or downward? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Assuming that the object has a rigidbody, you can use this in the update method (or anywhere for that matter) of a MonoBehavior attached to your GameObject. Rigidbody rb = GetComponent&lt;Rigidbody&gt;(); float verticalVelocity = rb.velocity.y; If you want the velocity along any axis, you can use the dot product: Rigidbody rb = GetComponent&lt;Rigidbody&gt;(); Vector3 ... 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Rigidbody rb = GetComponent&lt;Rigidbody&gt;(); float verticalVelocity = rb.velocity.y; If you want the velocity along any axis, you can use the dot product: Rigidbody rb = GetComponent&lt;Rigidbody&gt;(); Vector3 ... 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