setFloat4Uniform method

void setFloat4Uniform(
  1. String name,
  2. double v1,
  3. double v2,
  4. double v3,
  5. double v4,
)

设置 vec4。对应 setFloatUniform(name, v1, v2, v3, v4)

Implementation

void setFloat4Uniform(
    String name, double v1, double v2, double v3, double v4) {
  final i = _indexOf(name);
  shader
    ..setFloat(i, v1)
    ..setFloat(i + 1, v2)
    ..setFloat(i + 2, v3)
    ..setFloat(i + 3, v4);
}