Spherize ノード
説明
入力 UV の値に、カメラの魚眼レンズのようなスフィア状のワープ効果を適用します。ワープエフェクトの中心基準点は入力 Center で定義され、効果の全体的な強度は入力 Strength の値で定義されます。入力 Offset で結果の個々のチャンネルをオフセットできます。
ポート
Name |
Direction |
タイプ |
バインディング |
説明 |
UV |
入力 |
Vector 2 |
UV |
入力 UV 値 |
Center |
入力 |
Vector 2 |
なし |
中心の基準点 |
Strength |
入力 |
Vector 1 |
なし |
効果の強度 |
Offset |
入力 |
Vector 2 |
なし |
個々のチャンネルのオフセット |
Out |
出力 |
Vector 2 |
なし |
出力 UV 値 |
生成されるコードの例
以下のサンプルコードは、このノードの出力の一例を示したものです。
void Unity_Spherize_float(float2 UV, float2 Center, float Strength, float2 Offset, out float2 Out)
{
float2 delta = UV - Center;
float delta2 = dot(delta.xy, delta.xy);
float delta4 = delta2 * delta2;
float2 delta_offset = delta4 * Strength;
Out = UV + delta * delta_offset + Offset;
}
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