3D Bird Model

https://www.audubon.org/sites/default/files/boa_plates/plate-321-roseate-spoonbill.jpg

Instructions

• Locate the roseate spoonbill image
• Pinch to zoom, swipe with one finger to rotate
• The bird model will stay right-side-up even if the image target is rotated

Features

• Custom event handlers for image target recognition
  • Model does not disappear when image target lost
• Map user input to custom commands
  • Pinch gesture changes model position as well as size
  • One-finger swipe mapped to custom rotation function that works with right-side-up model
• Define transformations relative to image frame of reference & global frame of reference
  • Bird model always right-side up (global)
  • Zoom moves along z-axis of image (local)