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    Class GLShader

    Wraps a WebGL shader program. Parses attribute/uniform locations and types from GLSL source automatically.

    Index

    Constructors

    constructor

    Properties

    attributeLoc isCustom padding program shaderId uniformLoc vao

    Methods

    bindVAO destroy setAttribute setAttributes setUniform setUniforms unbindVAO use

    Constructors

    Properties

    attributeLoc: Record<string, number> = {}
    isCustom: boolean = false
    padding: number = 0

    Padding in pixels this shader needs beyond the sprite bounds (for outline/glow effects)

    program: WebGLProgram
    shaderId: number = ...
    uniformLoc: Record<string, WebGLUniformLocation> = {}
    vao: WebGLVertexArrayObject

    Methods

    • Bind this shader's VAO (start recording or replaying attribute state)

      Returns void

    • Set a single uniform by name. Type is inferred from the parsed GLSL source.

      Parameters

      Returns void

      shader.setUniform("uTime", 1.5);
        shader.setUniform("uColor", [1, 0, 0, 1]);
        shader.setUniform("uMVP", mat4array);

    • Batch-set uniforms via a plain value map.

      Parameters

      Returns void

      shader.setUniforms({
          uTime:       1.5,
          uResolution: [800, 600],
          uMVP:        mat4,
        });

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