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examples: fix path_tracing.v compilation, using (*ptr) = expression

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This commit is contained in:
Delyan Angelov 2020-04-23 12:19:04 +03:00
parent d5eafe79bd
commit fb97c2e01e
6 changed files with 12 additions and 20 deletions
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8
examples/path_tracing.v
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@ -101,7 +101,7 @@ fn new_image(w int, h int) Image {
// write out a .ppm file
fn (image Image) save_as_ppm(file_name string) {
npixels := image.width * image.height
mut f_out := os.create(file_name) or { exit }
mut f_out := os.create(file_name) or { panic(err) }
f_out.writeln('P3')
f_out.writeln('${image.width} ${image.height}')
f_out.writeln('255')
@ -247,8 +247,8 @@ const(
struct Cache {
mut:
sin_tab [cache_len]f64
cos_tab [cache_len]f64
sin_tab [65536]f64
cos_tab [65536]f64
}
fn new_tabs() Cache {
@ -429,7 +429,7 @@ fn ray_trace(w int, h int, samps int, file_name string, scene_id int) Image {
r = r + radiance(Ray{cam.o+d.mult_s(140.0), d.norm()}, 0, scene_id).mult_s(samps1)
}
tmp_vec := Vec{clamp(r.x),clamp(r.y),clamp(r.z)}.mult_s(.25)
*ivec = *ivec + tmp_vec
(*ivec) = *ivec + tmp_vec
}
}
}