Find XYZ Position of Projectile Along Trajectory
Revision as of 04:23, 5 November 2022 by Talcall (talk | contribs) (Talcall moved page 001af6d8 - 001af730 to Find XYZ Position of Projectile Along Trajectory)
001af6d8: 00063200 sll r6,r6,0x08 #current position along vector * 0x100 001af6dc: 00052903 sra r5,r5,0x04 #3d steps counter / 0x10 001af6e0: 00c5001a div r6,r5 #current position along vector * 0x1000 / 3d steps counter (rounded to 0x10) (4096 is a familiar number.) 001af6e4: 00003012 mflo r6 #a vector scale related to how far along the graphic has traveled over the course of the animation? 001af6e8: 8c820000 lw r2,0x0000(r4) #load x length of trajectory (vector, for, simplicity.) 001af6ec: 00000000 nop 001af6f0: 00c20018 mult r6,r2 #vector scalar * x vector 001af6f4: 00001012 mflo r2 001af6f8: 00021303 sra r2,r2,0x0c 001af6fc: ace20000 sw r2,0x0000(r7) #store new x position 001af700: 8c820004 lw r2,0x0004(r4) #load y vector 001af704: 00000000 nop 001af708: 00c20018 mult r6,r2 #vector scalar * y vector 001af70c: 00001012 mflo r2 001af710: 00021303 sra r2,r2,0x0c 001af714: ace20004 sw r2,0x0004(r7) #store new y position 001af718: 8c820008 lw r2,0x0008(r4) #load z vector 001af71c: 00000000 nop 001af720: 00c20018 mult r6,r2 #vector scalar * z vector 001af724: 00001012 mflo r2 001af728: 00021303 sra r2,r2,0x0c 001af72c: 03e00008 jr r31 001af730: ace20008 sw r2,0x0008(r7) #store new z vector
