Function setupMaterialGallery

examples/renderer-test/main.ts:265–291

()

// difference will be immediately visible on these spheres.

function setupMaterialGallery(): void {
  const roughSteps = [0.05, 0.15, 0.3, 0.45, 0.6, 0.8, 1.0];

  // Row colors [r, g, b] and metalness
  // Metals (metalness=1): reflections, Fresnel, specular color = albedo
  // Dielectrics (metalness=0): diffuse dominant, white specular
  const rows: number[][] = [
    //  R     G     B    metal
    [1.00, 0.76, 0.33, 1.0],  // Gold
    [0.95, 0.64, 0.54, 1.0],  // Copper
    [0.91, 0.92, 0.92, 1.0],  // Silver / Chrome
    [0.80, 0.05, 0.05, 0.0],  // Red plastic
    [0.90, 0.88, 0.82, 0.0],  // White ceramic
  ];

  // Pedestal under the gallery
  placeCube(0, -0.15, 0, 14, 0.3, 10, 0.15, 0.15, 0.17, 0.9, 0.0);

  for (let row = 0; row < 5; row = row + 1) {
    const mat = rows[row];
    for (let col = 0; col < 7; col = col + 1) {
      const x = (col - 3) * 1.8;
      const z = (row - 2) * 1.8;
      placeSphere(x, 0.6, z, 1.0, mat[0], mat[1], mat[2], roughSteps[col], mat[3]);
    }
  }
}

// ============================================================
// Zone 2: Multi-Light Arena (centered at x=28)