summaryrefslogtreecommitdiffstats
path: root/third_party/rust/wpf-gpu-raster/examples/obj-output.rs
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/rust/wpf-gpu-raster/examples/obj-output.rs')
-rw-r--r--third_party/rust/wpf-gpu-raster/examples/obj-output.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/third_party/rust/wpf-gpu-raster/examples/obj-output.rs b/third_party/rust/wpf-gpu-raster/examples/obj-output.rs
new file mode 100644
index 0000000000..c7ec8d7686
--- /dev/null
+++ b/third_party/rust/wpf-gpu-raster/examples/obj-output.rs
@@ -0,0 +1,26 @@
+// Output an .obj file of the generated mesh. Viewable at https://3dviewer.net/
+
+fn output_obj_file(data: &[OutputVertex]) {
+ for v in data {
+ let color = v.coverage;
+ println!("v {} {} {} {} {} {}", v.x, v.y, 0., color, color, color);
+ }
+
+ // output a standard triangle strip face list
+ for n in (1..data.len()-1).step_by(3) {
+ println!("f {} {} {}", n, n+1, n+2);
+ }
+}
+
+use wpf_gpu_raster::{PathBuilder, OutputVertex};
+fn main() {
+ let mut p = PathBuilder::new();
+ p.move_to(10., 10.0);
+ p.line_to(30., 10.);
+ p.line_to(50., 20.);
+ p.line_to(30., 30.);
+ p.line_to(10., 30.);
+ p.close();
+ let result = p.rasterize_to_tri_list(0, 0, 100, 100);
+ output_obj_file(&result)
+}