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elvman Indago Uzvarētājs
Joined: 09 Apr 2003 Posts: 1278 Location: Kuldiga
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Posted: Sat Apr 15, 2006 6:52 pm Post subject: Vertexa koordinaatas kameras koordinaataas |
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Kaarteejo reizi jautaajums nav specifisks DirectX.
Man vajadzeetu paarreekjinaat vertexa koordinaatas kameras koordinaataas.Tas man vajadziigs prieksh vertex fog.
Te buus kods:
Code: |
add r1.x, -c0.z, c4.z
mul r1.x, r1.x, c4.w
max r1.x, r1.x, c4.x
min oFog, r1.x, c4.y
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c4={0.0,1.0,fFogEnd,1.0/(fFogEnd-fFogStart)}
c0=vertexa koordinaatas kameras koordinaataas.
Visu google paarmekleeju kameer atradu shito kodu,nerunaajot jau par kaadu paskaidrojumu.
P.S. Varbuut kaads var iedot kaadu citu kodu prieksh vertex fog ar vertex shaderiem? _________________ long time; /* know C */ |
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elvman Indago Uzvarētājs
Joined: 09 Apr 2003 Posts: 1278 Location: Kuldiga
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Posted: Sat Apr 15, 2006 8:05 pm Post subject: |
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Sanaak kaarteejais monologs,bet izsecinaaju atbildi:
Ja c0-c3 ir WorldViewProjection matrix,tad c3 atbild par poziiciju.
Liidz ar to ar dot produktu:
dp4 r0, v0, c3
ieguustam distanci starp kameru un vertexu (r0=distance).
Paldies par uzmanibu! _________________ long time; /* know C */ |
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