mat4 transformations

1 files changed, 13 insertions, 6 deletions

diff --git a/mino.c b/mino.c
index 3362ab3..f59a8f0 100644
--- a/mino.c
+++ b/mino.c
@@ -1,5 +1,7 @@
 #include<stdio.h>
 #include<stdlib.h>
+#include<cglm/affine.h>
+#include<cglm/cglm.h>
 #include"mino.h"
 #include"graph.h"
 
@@ -14,7 +16,8 @@ _ IM C shader_tex_vert[]=GRAPH_GLSL(
   layout (location=2) in vec2 tex;
   out vec3 Col;
   out vec2 Tex;
-  void main(){gl_Position=vec4(pos,1.0);Col=col;Tex=tex;});
+  uniform mat4 trans;
+  void main(){gl_Position=trans*vec4(pos,1.0);Col=col;Tex=tex;});
 
 _ IM C shader_tex_frag[]=GRAPH_GLSL(
   out vec4 Frag;
@@ -27,19 +30,23 @@ _ U32 shader_tex;
 
 _ V shader_tex_init(V){
   shader_tex=graph_shader_create(shader_tex_vert,shader_tex_frag),
+  graph_shader_use(shader_tex);
+  mat4 trans;
+  glm_mat4_identity(trans),
+  glm_translate(trans,(vec3){0.5,-0.5,0.5}),
+  glm_rotate(trans,0.2,(vec3){0,0,1}),
+  graph_shader_setM4("trans",trans),
   graph_shader_use(shader_tex),
-  graph_shader_seti("buf0",0),
-  graph_shader_seti("buf1",1);}
+  graph_shader_setI("buf0",0),
+  graph_shader_setI("buf1",1);}
 
 I main(I ac,C**av){(V)ac,(V)av;U32 cat,fart;
   graph_init();
   atexit(graph_deinit);
-
   shader_tex_init();
   cat=graph_tex_create("res/tex/cat.jpg");
   fart=graph_tex_create("res/tex/fart.jpg");
-  WH(1,graph_before(),graph_events(),
-      graph_shader_use(shader_tex),
+  WH(1,graph_before(),graph_events();
       graph_tex_use(cat,0),
       graph_tex_use(fart,1),
       graph_quad(),