add pw-frontend

1 files changed, 15 insertions, 0 deletions

diff --git a/web/pw-frontend/public/static/shaders/frag/simple.glsl b/web/pw-frontend/public/static/shaders/frag/simple.glsl
new file mode 100644
index 0000000..1292569
--- /dev/null
+++ b/web/pw-frontend/public/static/shaders/frag/simple.glsl
@@ -0,0 +1,15 @@
+#ifdef GL_ES
+precision mediump float;
+#endif
+
+uniform float u_step_interval;
+uniform float u_time;
+uniform vec3 u_color;
+uniform vec3 u_color_next;
+
+void main() {
+
+    vec3 color = mix(u_color, u_color_next, u_time);
+
+    gl_FragColor = vec4(color, 1.0);
+}