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插值

插值是图形编程中一个非常基本的操作. 作为一名图形开发人员, 熟悉它有助于扩展你的视野.

基本思想是从 A 转换到 B。t 值是介于两者之间的状态。

举个例子, 如果 t 是0, 那么他的状态是A. 如果 t 是1,那么它的 状态是B. 任何介于两者之间的状态都是 插值.

Between two real (floating-point) numbers, an interpolation can be described as:

interpolation = A * (1 - t) + B * t

通常简化为:

interpolation = A +