0_1_helloWorld

Code 0.4, Figure 0.4:

0_1_helloWorld.frag

#version 300 es precision highp float; out vec4 fragColor; uniform vec2 u_resolution; void main(){ vec2 pos = gl_FragCoord.xy / u_resolution.xy; fragColor = vec4(1.0, pos, 1.0); }

#version 300 es
precision highp float;
out vec4 fragColor;
uniform vec2 u_resolution;

void main(){
  vec2 pos = gl_FragCoord.xy / u_resolution.xy;
  fragColor = vec4(1.0, pos, 1.0);
}