Add viewport

1 files changed, 19 insertions, 8 deletions

diff --git a/tests/main.c b/tests/main.c
index 6a69866..99a8398 100644
--- a/tests/main.c
+++ b/tests/main.c
@@ -55,30 +55,41 @@ static void draw(mgl_window *window, void *userdata) {
     mgl_vertex_buffer_set_position(u->vertex_buffer2, (mgl_vec2f){ window->cursor_position.x, window->cursor_position.y + 500 });
     mgl_vertex_buffer_draw(context, u->vertex_buffer2, &u->font->texture);
 
+    mgl_vec2i view_size = {
+        .x = 200,
+        .y = 200
+    };
+
+    mgl_view prev_view;
+    mgl_view new_view = {
+        .position = { window->size.x/2 - view_size.x/2, window->size.y/2 - view_size.y/2 },
+        .size = view_size
+    };
+    mgl_window_set_view(window, &new_view, &prev_view);
     mgl_vertex vertices[4] = {
         (mgl_vertex){
-            .position = {window->cursor_position.x, 0.0f},
+            .position = {-new_view.position.x + window->cursor_position.x, -new_view.position.y + window->cursor_position.y},
             .texcoords = {0.0f, 0.0f},
-            .color = {0, 255, 0, 255}
+            .color = {255, 0, 0, 255}
         },
         (mgl_vertex){
-            .position = {window->cursor_position.x + 100.0f, 0.0f},
+            .position = {-new_view.position.x + window->cursor_position.x + 400.0f, -new_view.position.y + window->cursor_position.y},
             .texcoords = {0.0f, 0.0f},
             .color = {0, 255, 0, 255},
         },
         (mgl_vertex){
-            .position = {window->cursor_position.x + 100.0f, 100.0f},
+            .position = {-new_view.position.x + window->cursor_position.x + 400.0f, -new_view.position.y + window->cursor_position.y + 400.0f},
             .texcoords = {0.0f, 0.0f},
-            .color = {0, 255, 0, 255},
+            .color = {0, 0, 255, 255},
         },
         (mgl_vertex){
-            .position = {window->cursor_position.x, 100.0f},
+            .position = {-new_view.position.x + window->cursor_position.x, -new_view.position.y + window->cursor_position.y + 400.0f},
             .texcoords = {0.0f, 0.0f},
-            .color = {0, 255, 0, 255}
+            .color = {255, 255, 0, 255}
         }
     };
-
     mgl_vertices_draw(context, vertices, 4, MGL_PRIMITIVE_QUADS);
+    mgl_window_set_view(window, &prev_view, NULL);
 }
 
 int main(int argc, char **argv) {