diff --git a/samples/bin/library/spine_shader.frag b/samples/bin/library/spine_shader.frag
index c48ba948..878cc4cc 100644
--- a/samples/bin/library/spine_shader.frag
+++ b/samples/bin/library/spine_shader.frag
@@ -1,10 +1,8 @@
-#version 120
-
 uniform sampler2D u_texture;
 
-varying vec4 v_tint;
-varying vec2 v_st;
+varying vec2 v_st0;
+varying vec4 v_color0;
 
 void main() {
-    gl_FragColor = texture2D(u_texture, v_st) * v_tint;
+    gl_FragColor = texture2D(u_texture, v_st0) * v_color0;
 }
diff --git a/samples/bin/library/spine_shader.vert b/samples/bin/library/spine_shader.vert
index 57e41375..4c704e6e 100644
--- a/samples/bin/library/spine_shader.vert
+++ b/samples/bin/library/spine_shader.vert
@@ -1,16 +1,18 @@
-#version 120
-
 uniform mat4 u_matrix_vp;
 
 attribute vec3 a_vertex;
-attribute vec4 a_tint;
-attribute vec2 a_st;
+attribute vec2 a_st0;
+attribute vec4 a_color0;
 
-varying vec4 v_tint;
-varying vec2 v_st;
+varying vec2 v_st0;
+varying vec4 v_color0;
+
+vec4 vertex_to_homo(vec3 pos) {
+    return vec4(pos, 1.0) * u_matrix_vp;
+}
 
 void main() {
-    v_st = a_st;
-    v_tint = a_tint;
-    gl_Position = vec4(a_vertex, 1.0) * u_matrix_vp;
+    v_st0 = a_st0;
+    v_color0 = a_color0;
+    gl_Position = vertex_to_homo(a_vertex);
 }
diff --git a/samples/sources/sample_07/sample_07.cpp b/samples/sources/sample_07/sample_07.cpp
index 7cffc429..cf6515da 100644
--- a/samples/sources/sample_07/sample_07.cpp
+++ b/samples/sources/sample_07/sample_07.cpp
@@ -112,8 +112,8 @@ namespace
                     .set_animation(0, "animation", true));
             
             node_iptr coin_n = coin_i->get_component<actor>().get().node();
-            coin_n->scale(v3f(0.125f));
-            coin_n->translation(v3f{200.0f, 200.0f, 0.0f});
+            coin_n->scale(v3f(0.25f));
+            coin_n->translation(v3f{200.0f, 180.0f, 0.0f});
 
             raptor_gobj_ = the<world>().instantiate();
             raptor_gobj_->entity_filler()