From 4966f25444d343ade4a6fbdd29f6175f372da09d Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Sat, 13 Jul 2024 15:38:51 +0000
Subject: vis: add knobs to control culling.

---
 vis.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'vis.c')

diff --git a/vis.c b/vis.c
index 85aa01c..c9aca97 100644
--- a/vis.c
+++ b/vis.c
@@ -600,15 +600,27 @@ mmb(void)
 {
 	enum {
 		MOVELIGHT,
+		SP0,
 		TSNEAREST,
 		TSBILINEAR,
+		SP1,
 		SHOWNORMALS,
+		SP2,
+		CULLFRONT,
+		CULLBACK,
+		CULLNO,
 	};
 	static char *items[] = {
 	 [MOVELIGHT]	"move light",
+			"",
 	 [TSNEAREST]	"use nearest sampler",
 	 [TSBILINEAR]	"use bilinear sampler",
+			"",
 	 [SHOWNORMALS]	"show normals",
+			"",
+	 [CULLFRONT]	"cull front faces",
+	 [CULLBACK]	"cull back faces",
+	 [CULLNO]	"no culling",
 		nil,
 	};
 	static Menu menu = { .item = items };
@@ -637,6 +649,15 @@ mmb(void)
 	case SHOWNORMALS:
 		shownormals ^= 1;
 		break;
+	case CULLFRONT:
+		maincam->cullmode = CullFront;
+		break;
+	case CULLBACK:
+		maincam->cullmode = CullBack;
+		break;
+	case CULLNO:
+		maincam->cullmode = CullNone;
+		break;
 	}
 	unlockdisplay(display);
 	nbsend(drawc, nil);
-- 
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