finished at the 8th card "high priestess" for today

learning/PixelSpirit/strength.frag

@@ -0,0 +1,20 @@
+#ifdef GL_ES
+precision mediump float;
+#endif
+uniform vec2 u_resolution;
+uniform vec2 u_mouse;
+uniform float u_time;
+
+#define PI 3.14159265359
+
+void main() {
+  vec2 st = gl_FragCoord.xy/u_resolution;
+  vec3 color = vec3(0.0,0.0,0.0);
+  float alpha = 1.0;
+  float deviation = .25;
+  //idk why but i've never considered using cos or sin on anything else then u_time, but this is really interesting and something i definetly overlooked
+  color += step(.5+(cos(st.y*PI)*deviation),st.x);
+  
+
+  gl_FragColor = vec4(color, alpha);
+}