X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2Fpolytest.c;h=afe20069968f53a34c0ab917d0c859a529d38dbb;hp=dfca5ef2a5978aeb3e52d1e3287ccdd5bc290525;hb=77e0277af0c00dae78c7a739b2ca70cc19fd041a;hpb=45f6f46fe758d15aafccdb69ae837fc7d84ee466

diff --git a/src/polytest.c b/src/polytest.c
index dfca5ef..afe2006 100644
--- a/src/polytest.c
+++ b/src/polytest.c
@@ -23,7 +23,8 @@ static struct screen scr = {
 	init,
 	destroy,
 	start, 0,
-	draw
+	draw,
+	0
 };
 
 static float cam_theta, cam_phi = 25;
@@ -33,6 +34,8 @@ static struct bsptree torus_bsp;
 
 static struct pimage tex;
 
+static int use_bsp = 1;
+
 #define LOWRES_SCALE	10
 static uint16_t *lowres_pixels;
 static int lowres_width, lowres_height;
@@ -103,7 +106,7 @@ static void update(void)
 static void draw(void)
 {
 	float vdir[3];
-	float mat[16];
+	const float *mat;
 
 	update();
 
@@ -119,23 +122,24 @@ static void draw(void)
 		g3d_rotate(cam_theta, 0, 1, 0);
 	}
 
-	/* calc world-space view direction */
-	g3d_get_matrix(G3D_MODELVIEW, mat);
-	/* transform (0, 0, -1) with transpose(mat3x3) */
-	vdir[0] = -mat[2];
-	vdir[1] = -mat[6];
-	vdir[2] = -mat[10];
-
-
 	g3d_light_pos(0, -10, 10, 20);
 
-	zsort_mesh(&torus);
-
 	g3d_mtl_diffuse(0.4, 0.7, 1.0);
 	g3d_set_texture(tex.width, tex.height, tex.pixels);
 
-	/*draw_mesh(&torus);*/
-	draw_bsp(&torus_bsp, vdir[0], vdir[1], vdir[2]);
+	if(use_bsp) {
+		/* calc world-space view direction */
+		mat = g3d_get_matrix(G3D_MODELVIEW, 0);
+		/* transform (0, 0, -1) with transpose(mat3x3) */
+		vdir[0] = -mat[2];
+		vdir[1] = -mat[6];
+		vdir[2] = -mat[10];
+
+		draw_bsp(&torus_bsp, vdir[0], vdir[1], vdir[2]);
+	} else {
+		zsort_mesh(&torus);
+		draw_mesh(&torus);
+	}
 
 	/*draw_mesh(&cube);*/
 	swap_buffers(fb_pixels);