*背面剔除

1 files changed, 15 insertions, 28 deletions

diff --git a/src/example/example_texture.c b/src/example/example_texture.c
index 5411a12..db2868b 100644
--- a/src/example/example_texture.c
+++ b/src/example/example_texture.c
@@ -16,43 +16,31 @@ int face[] = {
 	0, 1, 2, 0, 2, 3,
 	1, 5, 2, 2, 5, 6,
 	4, 6, 5, 4, 7, 6,
-	0, 7, 4, 0, 3, 7,
+	0, 3, 7, 0, 7, 4,
 	0, 4, 1, 1, 4, 5,
 	2, 6, 3, 3, 6, 7
 };
 
-static Mat4 m;
-
 void vert(UniformCollection* uniforms, VertexShaderIn* in, Vec4* homocoord) {
 	static Vec4 p; p.xyz = *in->vertex->position; p.w = 1;
 	mat4_applytovec4(uniforms->mvp, &p, homocoord);
 }
 bool frag(UniformCollection* uniforms, FragmentShaderIn* in, Color* color) {
 	ssrS_bcpcolor(in->bc, in->A->color, in->B->color, in->C->color, color);
-	//ssrum4(1);
-	//Vec2 uv;
-	//ssrS_bcpvec2(in->bc, in->A->uv, in->B->uv, in->C->uv, &uv);
-	//int x = uv.x * 10;
-	//int y = uv.y * 10;
-	//if (x % 2 && y % 2) {
-	//	*color = 0xffffffff;
-	//} else {
-	//	*color = 0xff111111;
-	//}
-	return 0;
+	return 1;
 }
 Program program = { vert, frag };
 
 void onloadtexture(void* data) {
 	ssr_matrixmode(MATRIX_PROJECTION);
 	ssr_loadidentity();
-	ssr_perspective(100, 1.25f, 0.1f, 10);
+	ssr_perspective(90, 1.25f, 0.1f, 10);
+	//ssr_ortho(-5, 5, -4, 4, 0.1, 10);
 	ssr_matrixmode(MATRIX_VIEW);
 	ssr_loadidentity();
-	//Vec3 pos = { 0,0,0 }, target = { 0,0,-1 }, up = { 0,1,0 };
-	//ssr_lookat(&pos, &target, &up);
+	Vec3 p = { 0, 0, 0 }, target = { 0, 0, -1 };
+	ssr_lookat(&p, &target, &vec3up);
 
-	/*���ö�������*/
 	quad = ssrM_newvector(Vert*, 8);
 	quad[0] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
 	quad[1] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
@@ -62,14 +50,14 @@ void onloadtexture(void* data) {
 	quad[5] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
 	quad[6] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
 	quad[7] = vert_new(VERTMASK_POSITION | VERTMASK_COLOR);
-	*quad[0]->position = verts[0]; quad[0]->color = colors[0]; quad[0]->index = 0;
-	*quad[1]->position = verts[1]; quad[1]->color = colors[1]; quad[1]->index = 1;
-	*quad[2]->position = verts[2]; quad[2]->color = colors[2]; quad[2]->index = 2;
-	*quad[3]->position = verts[3]; quad[3]->color = colors[3]; quad[3]->index = 3;
-	*quad[4]->position = verts[4]; quad[4]->color = colors[4]; quad[4]->index = 4;
-	*quad[5]->position = verts[5]; quad[5]->color = colors[5]; quad[5]->index = 5;
-	*quad[6]->position = verts[6]; quad[6]->color = colors[6]; quad[6]->index = 6;
-	*quad[7]->position = verts[7]; quad[7]->color = colors[7]; quad[7]->index = 7;
+	quad[0]->index = 0; *quad[0]->position = verts[0]; quad[0]->color = colors[0];
+	quad[1]->index = 1; *quad[1]->position = verts[1]; quad[1]->color = colors[1];
+	quad[2]->index = 2; *quad[2]->position = verts[2]; quad[2]->color = colors[2];
+	quad[3]->index = 3; *quad[3]->position = verts[3]; quad[3]->color = colors[3];
+	quad[4]->index = 4; *quad[4]->position = verts[4]; quad[4]->color = colors[4];
+	quad[5]->index = 5; *quad[5]->position = verts[5]; quad[5]->color = colors[5];
+	quad[6]->index = 6; *quad[6]->position = verts[6]; quad[6]->color = colors[6];
+	quad[7]->index = 7; *quad[7]->position = verts[7]; quad[7]->color = colors[7];
 
 	ssr_bindvertices(quad, 8, face, 12);
 
@@ -89,8 +77,7 @@ void onupdatetexture(void*data) {
 	ssr_matrixmode(MATRIX_MODEL);
 	ssr_loadidentity();
 	ssr_translate(0, 0, -3);
-//	ssr_rotate(-30, 1, 1, 0);
-	ssr_rotate(360 * sin(_t += dt/5000.f), 1, 1, 0);
+	ssr_rotate(_t -= dt / 50.f, 1, 1, 1);
 }
 
 void ondrawtexture(void*data) {