JAKANDSIG'S PROFILE

author=Pasty
start here: http://info.sonicretro.org/SPG:Solid_Tiles

speaking more generally (and as someone who has made a sonic-style prototype, but in GM), the basic concept is that going past a certain set speed will allow the character to hug the walls as long as two sensors (one on either side of the feet) remain in contact with solid ground. if the character jumps or falls below this speed, they're no longer on the ground and their sprite is reoriented. this is for general ground level and slope movement, though.

if you want loops, you're going to have to combine that methodology with a layer-switcher object and a layer variable. switching between layers should allow the engine to ignore the layer you don't want the player to run into. if you're running right, you first want one layer active - in this case, the bottom right corner of the loop.

when you pass the peak of the loop, you want to switch the layer so that the bottom left corner of the loop is active and the bottom right corner is passable. this should allow the character to run past the bottom right corner of the loop and exit.

you're going to want to use an engine that can handle radians, though - i don't know if RMVX can do this. the modern method of this will require a lot of trigonometry in radians in order for the engine to handle the movement accurately. if VX can't do this, you'll need to switch to a game builder that can.

author=VideoWizard
RPG Maker Downloads and, later, The NeXus. That was when RPG Maker 95 was just being translated, and before the first version of this site existed. RPG Maker 2 Super Dante was still the most popular RPG Maker at that time, so my first two games were made with it.