第 26 课：ABS - Rhomb

我的解：函数的平移，对称，合并

我的解

uniform vec2 iResolution;

void main() {
  vec2 uv = gl_FragCoord.xy / iResolution.xy - vec2(0.5);
  float result = step(abs(uv.y),0.5-abs(uv.x));
  gl_FragColor = vec4(result,0.0,0.0, 1.0);
}

复盘笔记

• 函数的平移，对称，合并