{"id":3320,"date":"2023-06-11T13:32:50","date_gmt":"2023-06-11T17:32:50","guid":{"rendered":"https:\/\/michaelrowe01.com\/?p=3320"},"modified":"2023-06-11T13:32:52","modified_gmt":"2023-06-11T17:32:52","slug":"design-considerations-for-vision-and-motion","status":"publish","type":"post","link":"https:\/\/michaelrowe01.com\/index.php\/blog\/design-considerations-for-vision-and-motion\/","title":{"rendered":"Design considerations for vision and motion"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"371\" data-attachment-id=\"3321\" data-permalink=\"https:\/\/michaelrowe01.com\/index.php\/blog\/design-considerations-for-vision-and-motion\/attachment\/design-considerations\/\" data-orig-file=\"https:\/\/i0.wp.com\/michaelrowe01.com\/wp-content\/uploads\/2023\/06\/Design-considerations.png?fit=1920%2C1080&amp;ssl=1\" data-orig-size=\"1920,1080\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Design-considerations\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/michaelrowe01.com\/wp-content\/uploads\/2023\/06\/Design-considerations.png?fit=660%2C371&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/michaelrowe01.com\/wp-content\/uploads\/2023\/06\/Design-considerations.png?resize=660%2C371&#038;ssl=1\" alt=\"\" class=\"wp-image-3321\" srcset=\"https:\/\/i0.wp.com\/michaelrowe01.com\/wp-content\/uploads\/2023\/06\/Design-considerations.png?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/michaelrowe01.com\/wp-content\/uploads\/2023\/06\/Design-considerations.png?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/michaelrowe01.com\/wp-content\/uploads\/2023\/06\/Design-considerations.png?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/michaelrowe01.com\/wp-content\/uploads\/2023\/06\/Design-considerations.png?resize=1536%2C864&amp;ssl=1 1536w, https:\/\/i0.wp.com\/michaelrowe01.com\/wp-content\/uploads\/2023\/06\/Design-considerations.png?w=1920&amp;ssl=1 1920w, https:\/\/i0.wp.com\/michaelrowe01.com\/wp-content\/uploads\/2023\/06\/Design-considerations.png?w=1320&amp;ssl=1 1320w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This is a research based session,&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Visual Depth Cues<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Make sure your content provides depth triggers so the brain can perceive the data correctly<\/li>\n\n\n\n<li>Visual system interrupts what is perceived, Making things agree is important for vision comfort, around line of sight.&nbsp; The Depth cues help the brain handle this.. if it is not right you can cause users with eye fatigue or double vision.<\/li>\n\n\n\n<li>You can use size, gentle motion, color, blur, light, shadow, backgrounds, and occlusion&nbsp;<\/li>\n\n\n\n<li>Conflicting clues can also provide issues to your user. Repeating patterns can cause eyes to mis-focus across multiple items causing issues.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Content Parameters<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Make sure to place reading, farther than arms length, and let users to adjust for comfort.<\/li>\n\n\n\n<li>Direct interaction or quick goes can be placed closer.<\/li>\n\n\n\n<li>Use blur and transparency to help users focus their eyes.<\/li>\n\n\n\n<li>Use high contrast for reading, and keep it centered to keep the user from having to move head back and forth.<\/li>\n\n\n\n<li>Slow transitions between dark and light scenes&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Eye effort<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Minimize eye effort demanded from your users, it is most comfortable to look down, or left and right. So use that for content to reduce eye strain.<\/li>\n\n\n\n<li>Upward and diagonal movement is the most effort.<\/li>\n\n\n\n<li>Longterm should be in the center and slightly down of the field of view.<\/li>\n\n\n\n<li>Allow for natural break points in your experience to allow for eye rest.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Motion of virtual objects<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inner ear is used, along with your eyes, to address motion.&nbsp; If these two disagree you can get dizzy or sick to your stomach.<\/li>\n\n\n\n<li>If things move at the user, you should make your objects semi-transparent to reduce discomfort &nbsp; &nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Head-locked content<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>When possible use this, since they will not come at the user. You can use a lazy follow, which moves content in position slowly over time, reducing issues.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Motion in windows<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pay attention of the motion of content within a window, make sure that horizon stays align with the same as the real horizon.&nbsp; Focus of expansion should be slow and predictable (and within the field of view), reduce pure rotational changes.&nbsp; You can just use a quick fade with shift during it.&nbsp; Using smaller objects and plain textures are better.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Oscillating motion<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sustained Oscillation should be avoided.&nbsp; Think of <a href=\"https:\/\/youtu.be\/iEnCKEfSgUM\">Count Floyd\u2019s 3D House of Beef<\/a>.&nbsp; If you have to do oscillation remember to make the content semi-transparent&nbsp;<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>This is a research based session,&nbsp; Visual Depth Cues Content Parameters Eye effort Motion of virtual objects Head-locked content Motion in windows Oscillating motion<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_wp_convertkit_post_meta":{"form":"-1","landing_page":"0","tag":"0","restrict_content":"0"},"hide_page_title":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[2,3],"tags":[752,755,754,680],"class_list":["post-3320","post","type-post","status-publish","format-standard","hentry","category-blog","category-personal-softwareandit","tag-day-7","tag-research","tag-vision-and-motion","tag-wwdc23"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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17:32:05","updated":"2025-06-04 00:37:51","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/michaelrowe01.com\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/michaelrowe01.com\/index.php\/category\/blog\/\" title=\"blog\">blog<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tDesign considerations for vision and motion\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/michaelrowe01.com"},{"label":"blog","link":"https:\/\/michaelrowe01.com\/index.php\/category\/blog\/"},{"label":"Design considerations for vision and 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