Game Maker Studio: How to Master Gravity, Jump, & Wall Collision.

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GMX File: https://bit.ly/2I1yOP4

Was not talked about in video. Be sure that personright collision is set to land, and the action code is down below, when personright makes contact with land.

Only the goleft and personleftwalk get the collision with wall, action is set to "move free", direction 0, speed 0, do not check relative. The "wall" is set to solid, and do not check visible.

personright

Events:

Step

Actions:

if !place_meeting(x, y + 1, land)
{
gravity = 10;
}
else
{
gravity = 0;
}

personright

Events:

collision with land, be sure land is set to solid

Actions:

move_contact_solid(direction,8);
vspeed=0;

Events:

personright

Events:

press Up

Actions:

if !place_free(x,y+1){

action = "air";
vspeed -= 80;
}