Screen aligned sprite

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Screen aligned sprite #392127 01/19/12 15:40 01/19/12 15:40
Joined: Jan 2002 Posts: 4,225 Germany / Essen Uhrwerk OP Expert
Uhrwerk OP Expert Joined: Jan 2002 Posts: 4,225 Germany / Essen	Hi everybody, I have a small problem with aligning a sprite (view entity) exactly to the camera. At first I tried finding out the appropriate x value by manually setting them and then I adjusted the sprites scale_x value with screen_size.x / screen_size.y. Now my problem is, that this works perfectly in windowed mode but fails in fullscreen mode for the same resolutions I used in the windowed mode. I have a 5:4 1280:1024 monitor. video_aspect is always 1.25. camera.arc is at its default value. camera.aspect is always 1. Which variable did I forget to check? Or is there a formula that allows to calculate the correct x and y scale values for the sprite with respect to the selected resolution? Always learn from history, to be sure you make the same mistakes again...

Re: Screen aligned sprite [Re: Uhrwerk] #392613 01/25/12 02:01 01/25/12 02:01
Joined: Jan 2002 Posts: 4,225 Germany / Essen Uhrwerk OP Expert
Uhrwerk OP Expert Joined: Jan 2002 Posts: 4,225 Germany / Essen	Just in case anybody stumbles upon the same problem, this is the solution: Code: void align_sprite_to_screen(ENTITY* sprite) { VECTOR v; v.x = v.y = 0; v.z = 512; rel_for_screen(&v,camera); BMAP* bmp = ent_getskin(sprite,0); sprite->scale_x = 2 * v.y / bmap_width(bmp); sprite->scale_y = 2 * v.z / bmap_height(bmp); sprite->x = v.x - 1; } Always learn from history, to be sure you make the same mistakes again...

Re: Screen aligned sprite [Re: Uhrwerk] #395656 02/26/12 06:30 02/26/12 06:30
Joined: Feb 2012 Posts: 9 E Enix Newbie
Enix Newbie E Joined: Feb 2012 Posts: 9	Thanks, it seems like something I`ll need cos it`s very limiting to have a game which looks good only in one resolution.