puts "=================================="
puts "Viewer animation - animate object moving"
puts "=================================="

pload MODELING VISUALIZATION

vclear
vinit View1
vaxo

psphere s 50
box b1 -50 -50 0 100 100 100
vdisplay -dispMode 1 b1 s

vviewparams -scale 2.499 -proj 0.546611 -0.600024 -0.584114 -up -0.411832 0.414728 -0.811415 -at -5.3425 -2.983 49.216

vanimation anim -clear
vanimation anim/obj1 -objectTrsf b1 -loc1 0 0 0 -loc2 -100 0 -100 -start 0 -duration 2
vanimation anim/obj2 -objectTrsf s  -loc1 0 0 0 -loc2  100 0  100 -start 1 -duration 2

vanimation anim -play 0.0 0.0
vdump $imagedir/${casename}_0.png

vanimation anim -play 1.0 0.0
vdump $imagedir/${casename}_1.png

vanimation anim -play 2.0 0.0
vdump $imagedir/${casename}_2.png

if {[vreadpixel 270  20 rgb name] != "DARKGOLDENROD" } { puts "Error: Box moving result is wrong!" }
if {[vreadpixel 120 255 rgb name] != "DARKGOLDENROD4"} { puts "Error: Sphere moving result is wrong!" }

puts "Put the following command to start interactive animation:"
puts "    vanimation anim -play"