Wes Pearce

NSString *const kSPHTradeVertexShader = SHADER_STRING(
    attribute vec3 aPosition;
    attribute vec2 aTextureCoord;
    attribute vec3 aNormal;
    attribute vec4 aColor;

    attribute float aTimeOffset;
    attribute float aIntensity;
    attribute float aSpeed;
    attribute float aPeriodicity;

    uniform mat4 uMVMatrix;
    uniform mat4 uPMatrix;
    uniform mat3 uNMatrix;

    varying vec2 vTextureCoord;
    varying vec4 vColor;

    varying float vTimeOffset;
    varying float vIntensity;
    varying float vSpeed;
    varying float vPeriodicity;

    void main(void) {
        vTextureCoord = aTextureCoord;
        vColor = aColor;
        vTimeOffset = aTimeOffset;
        vIntensity = aIntensity;
        vSpeed = aSpeed;
        vPeriodicity = aPeriodicity;

        gl_Position = uPMatrix * uMVMatrix * vec4(aPosition, 1.0);
    }
);