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examples: build examples/path_tracing.v with -prod, with no warnings/errors

pull/6640/head
Delyan Angelov 2020-10-18 09:00:30 +03:00
parent dd96ba0d24
commit b7233a23d7
1 changed files with 7 additions and 9 deletions
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16
examples/path_tracing.v
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@ -107,9 +107,9 @@ fn (image Image) save_as_ppm(file_name string) {
f_out.writeln('${image.width} ${image.height}') f_out.writeln('${image.width} ${image.height}')
f_out.writeln('255') f_out.writeln('255')
for i in 0..npixels { for i in 0..npixels {
c_r := to_int(image.data[i].x) c_r := to_int(unsafe{image.data[i]}.x)
c_g := to_int(image.data[i].y) c_g := to_int(unsafe{image.data[i]}.y)
c_b := to_int(image.data[i].z) c_b := to_int(unsafe{image.data[i]}.z)
f_out.write('$c_r $c_g $c_b ') f_out.write('$c_r $c_g $c_b ')
} }
f_out.close() f_out.close()
@ -225,7 +225,7 @@ fn intersect(r Ray, spheres &Sphere, nspheres int) (bool, f64, int){
mut t := inf mut t := inf
mut id := 0 mut id := 0
for i:=nspheres-1; i >= 0; i-- { for i:=nspheres-1; i >= 0; i-- {
d = spheres[i].intersect(r) d = unsafe{spheres[i]}.intersect(r)
if d > 0 && d < t { if d > 0 && d < t {
t = d t = d
id = i id = i
@ -271,10 +271,8 @@ const (
fn radiance(r Ray, depthi int, scene_id int) Vec { fn radiance(r Ray, depthi int, scene_id int) Vec {
if depthi > 1024 { if depthi > 1024 {
eprintln('depthi: $depthi') eprintln('depthi: $depthi')
return Vec{} return Vec{}
} }
sin_tab := &f64( tabs.sin_tab )
cos_tab := &f64( tabs.cos_tab )
mut depth := depthi // actual depth in the reflection tree mut depth := depthi // actual depth in the reflection tree
mut t := 0.0 // distance to intersection mut t := 0.0 // distance to intersection
mut id := 0 // id of intersected object mut id := 0 // id of intersected object
@ -341,7 +339,7 @@ fn radiance(r Ray, depthi int, scene_id int) Vec {
//d := (u.mult_s(math.cos(r1) * r2s) + v.mult_s(math.sin(r1) * r2s) + w.mult_s(1.0 - r2)).norm() //d := (u.mult_s(math.cos(r1) * r2s) + v.mult_s(math.sin(r1) * r2s) + w.mult_s(1.0 - r2)).norm()
// tabbed speed-up // tabbed speed-up
d := (u.mult_s(cos_tab[r1] * r2s) + v.mult_s(sin_tab[r1] * r2s) + w.mult_s(math.sqrt(f64(1.0) - r2))).norm() d := (u.mult_s(tabs.cos_tab[r1] * r2s) + v.mult_s(tabs.sin_tab[r1] * r2s) + w.mult_s(math.sqrt(f64(1.0) - r2))).norm()
return obj.e + f * radiance(Ray{x, d}, depth, scene_id) return obj.e + f * radiance(Ray{x, d}, depth, scene_id)
} else { } else {
@ -416,7 +414,7 @@ fn ray_trace(w int, h int, samps int, file_name string, scene_id int) Image {
for x in 0..w { for x in 0..w {
i := (h - y - 1) * w + x i := (h - y - 1) * w + x
mut ivec := &image.data[i] mut ivec := unsafe{&image.data[i]}
// we use sx and sy to perform a square subsampling of 4 samples // we use sx and sy to perform a square subsampling of 4 samples
for sy := 0; sy < 2; sy ++ { for sy := 0; sy < 2; sy ++ {
for sx := 0; sx < 2; sx ++ { for sx := 0; sx < 2; sx ++ {