Method makeDiffusedTexture

src/core/p5.Renderer3D.js:1810–1840

(input)

   * creating this texture is somewhat expensive.
   */
  makeDiffusedTexture(input) {
    // if one already exists for a given input image
    if (this.diffusedTextures.get(input) != null) {
      return this.diffusedTextures.get(input);
    }
    // if not, only then create one
    let newFramebuffer;
    // hardcoded to 200px, because it's going to be blurry and smooth
    let smallWidth = 200;
    let width = smallWidth;
    let height = Math.floor(smallWidth * (input.height / input.width));
    newFramebuffer = new Framebuffer(this, {
      width,
      height,
      density: 1,
    });
    // create framebuffer is like making a new sketch, all functions on main
    // sketch it would be available on framebuffer
    if (!this.diffusedShader) {
      this.diffusedShader = this._createImageLightShader("diffused");
    }
    newFramebuffer.draw(() => {
      this.shader(this.diffusedShader);
      this._setImageLightShaderUniforms(this.diffusedShader, input);
      this.states.setValue("strokeColor", null);
      this.noLights();
      this.plane(width, height);
    });
    this.diffusedTextures.set(input, newFramebuffer);
    return newFramebuffer;
  }
  getDiffusedTexture(input) {
    return this.diffusedTextures.get(input);
  }