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DarkBASIC Professional Discussion / Placing shadow bitmap under character wich follows him and u know making a shadow. (with pics!)

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Megaton Cat
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Posted: 10th Nov 2003 00:51
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Like they say a picture is worth a thousand words so,
here this is wat I mean (borrowed images from Bren )

this is the bitmap:


and this is wat I want to do with it:


get it? I tryed looking at roadterrain demo and browing for other threads but had no luck. If anyone can tell me how to achieve this, I will really appriciate it

thanks

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qwe
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Posted: 10th Nov 2003 01:31
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what if you just position a plain under him? with a high resolution on the texture you might be able to get a semi transparentness with a dot-nodot-dot pattern? or using the db transparency or ghost commands. you would have the obj follow the char like a skybox, only right under him i would guess 0 or 1 units above the ground height
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Ian T
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Posted: 10th Nov 2003 02:23
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NEVER use .bmps online. ALWAYS use .jpegs.

--Mouse: Famous (Avatarless) Fighting Furball

A very nice %it, indeed.
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Ian T
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Posted: 10th Nov 2003 02:24
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Oh, and just position it at the player's position, rotate it to face upwards and lower it the distance to the floor. Or use get ground height() if you have a matrix.

--Mouse: Famous (Avatarless) Fighting Furball

A very nice %it, indeed.
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Megaton Cat
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Posted: 10th Nov 2003 19:40
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yea but how do I make it follow the character?

thanks

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ReD_eYe
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Posted: 10th Nov 2003 19:56
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texture an object plain with the shadow bitmap
set alpha mapping on ShadowObject,Transparency%
position the plain at the players x and z positions
for the y position, position it just above the ground, 1 or 2 units will be ok.
watch in amazement as a shadow appears


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Bren
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Posted: 10th Nov 2003 20:06 Edited at: 10th Nov 2003 20:07
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Put this line of code at the end of your characters' movement code:


@Mouse
Normaly I never upload bitmaps, but this one was only 30kb, not worth the conversion to me

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Megaton Cat
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Posted: 10th Nov 2003 22:23
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So I replace "OBJECT_SHADOW" with the image number of my bitmap shadow and replace "CHARACTER" with my character number?

thanks

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Ian T
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Posted: 10th Nov 2003 23:41
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Perhaps you should try to understand variables & 3d commands before you tackle shadows .

--Mouse: Famous (Avatarless) Fighting Furball

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Megaton Cat
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Posted: 11th Nov 2003 00:32
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well, we noobs dont have time for that.
but ok (still wanna know the answer though)

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Megaton Cat
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Posted: 11th Nov 2003 01:15
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dang it I'm an idiot, I forgot to put the plain!
(must have looked like a complete mental kid)
but now the damn thing flickers and it isnt transparent! (ill have to fix that too)

thanks

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Kharnor
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Posted: 11th Nov 2003 08:15
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It probably flickers because it's on exactly the same Y co-ord as the ground, try setting it slightly higher.

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Van B
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Posted: 11th Nov 2003 14:45 Edited at: 11th Nov 2003 14:46
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I'm gonna be posting a new method for making shadows tonight, does'nt use plains, uses a boned 4 poly/5 vert mesh that sorta blankets the ground, looks much better and has far less defects than silly plains .


Van-B


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Beta 1
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Posted: 11th Nov 2003 16:38
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ooo I think I can follow your thinking from the other thread.

Could look very nice.
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Bren
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Posted: 11th Nov 2003 18:03 Edited at: 11th Nov 2003 18:08
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Megaton this is the code to set up a plain as a shadow. Now the shadow image of mine you want to use is kind of useless The white will create a burned out yellow. I you are using photoshop opened it, add a new layer, fill this layer with black and set opacity to 50%. Then save it back as a .bmp, now the white is turned into grey and that should work.

For more details read the other thread of mine, Van B helped me out with the sadows and probably explained it better Or you could wait for Van B's bone-shadow system

To make it easy, here is the code and the image:





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Megaton Cat
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Posted: 11th Nov 2003 18:16
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k thansk Bren!
I'll try it out as soon as I get home! (Cause I'm in the middle of my Buisness class and not really supposed to be on-line)

thanks again

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Megaton Cat
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Posted: 11th Nov 2003 18:17
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oh and Van, ur methoad sounds good, when do u think ull be done?

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Bren
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Posted: 11th Nov 2003 18:58
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np megaton and you should use "edit" if you want to add something extra to your post.

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Van B
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Posted: 11th Nov 2003 22:29
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Here's that code:

http://www.dannywartnaby.co.uk/rgt/attachments/lens-shadows.rar


Van-B


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tomazmb
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Posted: 11th Nov 2003 23:42
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Hello,

Thank you Van B for shareing your knowledge. Nice demo.

Have a nice day,

Tomaz

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Bren
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Posted: 12th Nov 2003 01:52
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thanks alot Van B

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Megaton Cat
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Posted: 12th Nov 2003 08:54
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hey thats very nice, could really use that

thanks Van B

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Van B
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Posted: 12th Nov 2003 11:36
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No worries.


Van-B


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