文件结构优化

Assets/VFX/Simple Toon/Shaders/STFunctions.cginc

@@ -0,0 +1,107 @@
+#ifndef STFUNCTIONS_INCLUDED
+#define STFUNCTIONS_INCLUDED
+
+float clamp01 (float value) {
+	return clamp(value, 0, 1);
+}
+
+float rev (float value) {
+	return 1.0 - value;
+}
+
+float rev01 (float value) {
+	return clamp01(rev(value));
+}
+
+float pos (float value) {
+	return value > 0 ? 1 : 0;
+}
+
+float posz (float value) {
+	return value >= 0 ? 1 : 0;
+}
+
+float neg (float value) {
+	return value < 0 ? 1 : 0;
+}
+
+float negz (float value) {
+	return value <= 0 ? 1 : 0;
+}
+
+float lerp01 (float from, float to, float value) {
+	return clamp01(lerp(from, to, value));
+}
+
+float invLerp (float from, float to, float value, float equal = 0.) {
+	float val = (value - from) / (to - from);
+	return from == to ? equal : val;
+}
+
+float invLerp01 (float from, float to, float value, float equal = 0.) {
+	float val = invLerp(from, to, value, equal);
+	return from == to ? val : clamp01(val);
+}
+
+float wght_invLerp (float from, float to, float value, bool invert = false) {
+	float val = (value - from) / (to - from);
+
+	float wgtMin = !invert ? 0 : 1;
+	float wgtMax = !invert ? 1 : 0;
+	float wgt = value < from ? wgtMin : wgtMax;
+
+	float res = value == from ? 0.5 : wgt;
+	return from == to ? res : val;
+}
+
+float smoothstep (float from, float to, float value, float equal) {
+	float val = smoothstep(from, to, value);
+	return from == to ? equal : val;
+}
+
+float wght_smoothstep (float from, float to, float value, bool invert = false) {
+	float val = smoothstep(from, to, value);
+
+	float wgtMin = !invert ? 0 : 1;
+	float wgtMax = !invert ? 1 : 0;
+	float wgt = value < from ? wgtMin : wgtMax;
+
+	float res = value == from ? 0.5 : wgt;
+	return from == to ? res : val;
+}
+
+float smoothlerp (float from, float to, float value) {
+	float val = -(2.0 / ((value + 0.34) * 4.7)) + 1.3;
+	return lerp01(from, to, val);
+}
+
+float colmagnmin (float3 color) {
+	float m1 = min(color.r, color.g);
+	return min(m1, color.b);
+}
+
+float colmagnmax (float3 color) {
+	float m1 = max(color.r, color.g);
+	return max(m1, color.b);
+}
+
+float colspacemax (float3 color) {
+	return rev(colmagnmin(color));
+}
+
+float colspacemin (float3 color) {
+	return rev(colmagnmax(color));
+}
+
+float4 ColorBlend (float4 tcol, float4 dcol, float blendf)
+{
+	float4 res = tcol;
+	res.r = lerp(tcol.r, dcol.r, blendf);
+	res.g = lerp(tcol.g, dcol.g, blendf);
+	res.b = lerp(tcol.b, dcol.b, blendf);
+	res.a = lerp(tcol.a, dcol.a, blendf);
+
+	return res;
+}
+
+#endif