@@ -1,15 +1,15 @@
OBJS = [
# ƒIƒuƒWƒFƒNƒgŽí—Þ ’†*S*À•W ƒpƒ‰ƒ**[ƒ^ ”½ŽË—¦ *F(1”’ 0*•)
- [:BALL, -6.0, 2.0, 20.0, 7.0, 0, 0, 1, 1],
- [:BALL, -2.0, -2.0, 6.0, 2.0, 0, 0, 0, 1],
- [:BALL, 1.0, -1.0, 15.0, 2.0, 0, 0, 1, 1],
+ [:BALL, -6.0, 2.0, 20.0, 7.0, 0, 0, 0, 1],
+ [:BALL, -2.0, -2.0, 6.0, 2.0, 0, 0, 0.5, 1],
+ [:BALL, 1.0, -1.0, 15.0, 2.0, 0, 0, 0.5, 1],
# PLANE(•½–Ê)‚Í•½–Ê*ã‚Ì1“_‚Æ–@*üƒxƒNƒgƒ‹‚ðŽw’è‚·‚é
[:PLANE, 0.0, -35.0, 0.0, 0.0, 1.0, 0, 0, 1],
]
LIGHTS = [
# ŒõŒ¹Ží—Þ *À•W ƒpƒ‰ƒ**[ƒ^ ŒõŒ¹‹‚³
- [:POINT, 0.0, 0.0, 0.0, 0, 0, 0, 0, 1]
+ [:POINT, 10.0, 30.0, 0.0, 0, 0, 0, 0, 1]
]
OBJ_KIND = 0
@@ -46,8 +46,11 @@ def make_bmp(image)
end
def get_color(sx, sy, sz, ox, oy, oz, objlst, refnum)
- cox, coy, coz, cobj = collision(sx, sy, sz, ox, oy, oz, objlst)
+ t, cox, coy, coz, cobj = intersect(sx, sy, sz, ox, oy, oz, objlst)
# Ž‹“_‚©‚ç*ՓˉÓ*Š‚܂ł̃xƒNƒgƒ‹‚𓾂é
+ if t == 0 then
+ return 1.0
+ end
covx = cox - ox
covy = coy - oy
covz = coz - oz
@@ -103,20 +106,43 @@ def get_color(sx, sy, sz, ox, oy, oz, objlst, refnum)
return 1.0
end
+ # ŒõŒ¹
+ ip = covx * hvx + covy * hvy + covz * hvz
+ ip = -ip
+ rvx = 2 * ip * hvx - covx
+ rvy = 2 * ip * hvy - covy
+ rvz = 2 * ip * hvz - covz
+#=begin
+ bcol = bcol * 0.5
+ LIGHTS.each do |lit|
+ lposx = lit[OBJ_CENTER_X]
+ lposy = lit[OBJ_CENTER_Y]
+ lposz = lit[OBJ_CENTER_Z]
+ lvx = cox - lposx
+ lvy = coy - lposy
+ lvz = coz - lposz
+ lvs = Math.sqrt(lvx * lvx + lvy * lvy + lvz * lvz)
+
+ t, dmyx, dmyy, dmyz, dmyo = intersect(lvx, lvy, lvz, lposx, lposy, lposz, objlst)
+ if t and (t - 1).abs < 0.001 then
+ c = (lvx * sx + lvz * sy + lvz * sz) / lvs * 0.5
+# c = -c.abs
+ if c > 0 then
+ bcol += c
+ end
+ else
+ end
+ end
+#=end
# ”½ŽË
if refnum < MAX_REF_NUM then
- ip = covx * hvx + covy * hvy + covz * hvz
- ip = -ip
- rvx = 2 * ip * hvx - covx
- rvy = 2 * ip * hvy - covy
- rvz = 2 * ip * hvz - covz
return (bcol * (1.0 - cobj[OBJ_REFRECT_RATIO])) + (get_color(rvx, rvy, rvz, cox, coy, coz, objlst, refnum + 1) * cobj[OBJ_REFRECT_RATIO])
else
return bcol * (1.0 - cobj[OBJ_REFRECT_RATIO])
end
end
-def collision(sx, sy, sz, ox, oy, oz, objlst)
+def intersect(sx, sy, sz, ox, oy, oz, objlst)
# —^‚¦‚ç‚ꂽ*À•Wƒf*[ƒ^‚©‚ç*³‹K‰»‚³‚ꂽŽ‹*üƒxƒNƒgƒ‹‚𓾂é
vx = sx
vy = sy
@@ -184,9 +210,9 @@ def collision(sx, sy, sz, ox, oy, oz, objlst)
end
if mint then
- [mint * vx + ox, mint * vy + oy , mint * vz + oz, cobj]
+ [mint / vs, mint * vx + ox, mint * vy + oy , mint * vz + oz, cobj]
else
- [0, 0, 0, [nil]]
+ [nil, 0, 0, 0, [nil]]
end
end
lib/ray.rb
e8f6e160f11a1cddcc8c5ffabb19aa0b900a0fbc
U-KOZUE\kozue
m-72@tf6.so-net.ne.jp
http://github.com/miura1729/regexpllvm/commit/c822d2cd3581329834db125a86661120bb5f9438
c822d2cd3581329834db125a86661120bb5f9438
2008-10-04T02:19:56-07:00
2008-10-04T02:19:56-07:00
Support light ray.rb
46b9eb7f1aaa82e9be3553ff784133a4a8636e41
U-KOZUE\kozue
m-72@tf6.so-net.ne.jp