<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Sandy,<div>Thank you for this information. It is very helpful (and somewhat surprising!)</div><div><br></div><div>Later,</div><div>Don Slater</div><div><br></div><div><br><div><div>On Dec 10, 2013, at 10:11 PM, Sandy Graham <<a href="mailto:sandyg@gvtc.com">sandyg@gvtc.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">This just in from my student:<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><p class="MsoNormal" style="margin: 0in 0in 12pt; font-size: 12pt; font-family: 'Times New Roman', serif;">It’s not that normally messing with his arm caused it to glitch. It’s when I would undo having moved his arm that caused it to glitch. Just messing with his arm was fine, but If I moved his arm starting from the torso and then clicked undo, his arm would become invisible. I’m saying this because everyone's best explanation for fixing this is to press undo, but the more I press undo the worse it gets :P.<o:p></o:p></p><p class="MsoNormal" style="margin: 0in 0in 12pt; font-size: 12pt; font-family: 'Times New Roman', serif;">lol<o:p></o:p></p><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">~XxRarityx17<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 14pt; font-family: 'Brush Script MT'; color: rgb(31, 73, 125);">Your sister in Christ,<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 14pt; font-family: 'Brush Script MT'; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 14pt; font-family: 'Brush Script MT'; color: rgb(31, 73, 125);">Sandy Graham<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div><div style="border-style: solid none none; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; padding: 3pt 0in 0in;"><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif;">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif;"><span class="Apple-converted-space"> </span>aik min [<a href="mailto:aik_min@yahoo.com">mailto:aik_min@yahoo.com</a>]<span class="Apple-converted-space"> </span><br><b>Sent:</b><span class="Apple-converted-space"> </span>Thursday, December 05, 2013 10:12 PM<br><b>To:</b><span class="Apple-converted-space"> </span>Alice educators; <a href="mailto:sandyg@gvtc.com">sandyg@gvtc.com</a><br><b>Cc:</b><span class="Apple-converted-space"> </span>Don Slater; Wanda Dann<br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: alice-teacher possible glitch in Alice 2.2 with magician<o:p></o:p></span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-family: Helvetica, sans-serif;">Sandy,<o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: Helvetica, sans-serif;"> </span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: Helvetica, sans-serif;">The problem is not with the code but with the magician. To simply put it, it is a matrix multiplication error that happened when you try to manipulate the object on a very small scale. Due to this error, certain points on the object is placed wrongly, and when reconstructing the model, it is not what it looks like before you moved it. As far as we know, this only happens to the magician and the rabbit model.<o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: Helvetica, sans-serif;"> </span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: Helvetica, sans-serif;">Anyways, if you get this error, please do not ignore and continue. Press undo until the model returns to its original look and try moving it again.<o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-family: Helvetica, sans-serif;"><br>Thanks,<o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-family: Helvetica, sans-serif;">Aik Min Choong<o:p></o:p></span></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-family: Helvetica, sans-serif;"> </span></div><div><div><div class="MsoNormal" align="center" style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; text-align: center; background-color: white; background-position: initial initial; background-repeat: initial initial;"><span style="font-family: Helvetica, sans-serif;"><hr size="1" width="100%" align="center"></span></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-family: Helvetica, sans-serif;"> </span></div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-family: Helvetica, sans-serif;">On Dec 4, 2013, at 5:43 PM, Sandy Graham <<a href="mailto:sandyg@gvtc.com" target="_blank" style="color: purple; text-decoration: underline;">sandyg@gvtc.com</a>> wrote:<o:p></o:p></span></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-family: Helvetica, sans-serif;"><br><br><o:p></o:p></span></div><div><div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-size: 11pt; font-family: Calibri, sans-serif;">One of my students is fairly artistic and was positioning the magician just so for exercise 7 in chapter 4 and discovered that the magician’s arm disappears when repositioning. We played with it and programming does not cause problems, just manipulating the object in the scene set up. Is this an error?<o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-size: 11pt; font-family: Calibri, sans-serif;"> <o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-size: 11pt; font-family: Calibri, sans-serif;"> <o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-size: 14pt; font-family: 'Brush Script MT'; color: rgb(31, 73, 125);">Your sister in Christ,</span><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-size: 14pt; font-family: 'Brush Script MT'; color: rgb(31, 73, 125);"> </span><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-size: 14pt; font-family: 'Brush Script MT'; color: rgb(31, 73, 125);">Sandy Graham</span><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p></o:p></span></div></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-size: 11pt; font-family: Calibri, sans-serif;"> <o:p></o:p></span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-size: 9pt; font-family: Helvetica, sans-serif;"><Messed up magician object.png>_______________________________________________<br>alice-teachers mailing list<br><a href="mailto:alice-teachers@lists.andrew.cmu.edu" target="_blank" style="color: purple; text-decoration: underline;"><span style="color: purple;">alice-teachers@lists.andrew.cmu.edu</span></a><br><a href="https://lists.andrew.cmu.edu/mailman/listinfo/alice-teachers" target="_blank" style="color: purple; text-decoration: underline;"><span style="color: purple;">https://lists.andrew.cmu.edu/mailman/listinfo/alice-teachers</span></a><o:p></o:p></span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-family: Helvetica, sans-serif;"> </span></div></div></div><div><p class="MsoNormal" style="margin: 0in 0in 12pt; font-size: 12pt; font-family: 'Times New Roman', serif; background-color: white;"><span style="font-family: Helvetica, sans-serif;"><br>_______________________________________________<br>alice-teachers mailing list<br><a href="mailto:alice-teachers@lists.andrew.cmu.edu" style="color: purple; text-decoration: underline;">alice-teachers@lists.andrew.cmu.edu</a><br><a href="https://lists.andrew.cmu.edu/mailman/listinfo/alice-teachers" target="_blank" style="color: purple; text-decoration: underline;">https://lists.andrew.cmu.edu/mailman/listinfo/alice-teachers</a><br><br><o:p></o:p></span></p></div></div></div></div>_______________________________________________<br>alice-teachers mailing list<br><a href="mailto:alice-teachers@lists.andrew.cmu.edu" style="color: purple; text-decoration: underline;">alice-teachers@lists.andrew.cmu.edu</a><br><a href="https://lists.andrew.cmu.edu/mailman/listinfo/alice-teachers" style="color: purple; text-decoration: underline;">https://lists.andrew.cmu.edu/mailman/listinfo/alice-teachers</a></div></blockquote></div><br></div></body></html>