Game Theory

1. CPU vs GPU
2. Terrain
3. Microtransactions & DLC
4. Rubber Band AI
5. Collision Detection
6. Diagonal Movement Problem
7. Physics
8. AR & VR
9. Video game genres.. where is FPS?

GML
x,y,xstart,ystart,xprevious,yprevious

direction - 0 right, 90 up, 180 left, 270 down

friction,gravity,gravity_direction

hspeed,vspeed,speed


room,room_width,room_height

keyboard_check vs keyboard_check_released / keyboard_check_pressed,vk_left or other vk_ key constants.

sprite_index which loads a sprite, e.g.: sprite_index = sprExplosion;.. whereas image_index & image_speed deal with the sub-images of a sprite.

move_bounce_solid,move_bounce_all, and move_wrap, which can be used to wrap a player around the room.

irandom_range - gives a random whole number in a range, for example: strength = irandom_range(1,6) which sets the variable strength to a random number between 1 and 6.

Branching statements - including switch, case, break and default, or if and else