velocity-based prediction

[reworc]

• compute velocity
  • first derivative: difference vector between current and last position (default: 0,0,0)
  • second derivative: difference vector between first derivative of las two points (defaulkt: 0,0,0 for < three existing points)
  • predict position (basic): current position + first derivative
  • predict position (advanced) : current position + first derivative +0.5* second derivative
  • parameterize influence of second derivativ
• store velocity in touch point
  • first derivative
  • second derivative
  • predicted position basic
  • predicted poisition advanced
• visualization
  • predicted positions in interaction view
  • derivatives in interaction view