回答編集履歴
1
回転軸追加版を追記
test
CHANGED
|
@@ -159,3 +159,227 @@
|
|
|
159
159
|
|
|
160
160
|
|
|
161
161
|
```
|
|
162
|
+
|
|
163
|
+
|
|
164
|
+
|
|
165
|
+
**ZXY順オイラー角回転**
|
|
166
|
+
|
|
167
|
+
```ShaderLab
|
|
168
|
+
|
|
169
|
+
// Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt)
|
|
170
|
+
|
|
171
|
+
|
|
172
|
+
|
|
173
|
+
Shader "Skybox/Cubemap (3-Axis Rotation)" {
|
|
174
|
+
|
|
175
|
+
Properties {
|
|
176
|
+
|
|
177
|
+
_Tint ("Tint Color", Color) = (.5, .5, .5, .5)
|
|
178
|
+
|
|
179
|
+
[Gamma] _Exposure ("Exposure", Range(0, 8)) = 1.0
|
|
180
|
+
|
|
181
|
+
|
|
182
|
+
|
|
183
|
+
// 回転プロパティをX、Y、Zの3つに増やす
|
|
184
|
+
|
|
185
|
+
_RotationX ("Rotation X", Range(0, 360)) = 0
|
|
186
|
+
|
|
187
|
+
_RotationY ("Rotation Y", Range(0, 360)) = 0
|
|
188
|
+
|
|
189
|
+
_RotationZ ("Rotation Z", Range(0, 360)) = 0
|
|
190
|
+
|
|
191
|
+
|
|
192
|
+
|
|
193
|
+
[NoScaleOffset] _Tex ("Cubemap (HDR)", Cube) = "grey" {}
|
|
194
|
+
|
|
195
|
+
}
|
|
196
|
+
|
|
197
|
+
|
|
198
|
+
|
|
199
|
+
SubShader {
|
|
200
|
+
|
|
201
|
+
Tags { "Queue"="Background" "RenderType"="Background" "PreviewType"="Skybox" }
|
|
202
|
+
|
|
203
|
+
Cull Off ZWrite Off
|
|
204
|
+
|
|
205
|
+
|
|
206
|
+
|
|
207
|
+
Pass {
|
|
208
|
+
|
|
209
|
+
|
|
210
|
+
|
|
211
|
+
CGPROGRAM
|
|
212
|
+
|
|
213
|
+
#pragma vertex vert
|
|
214
|
+
|
|
215
|
+
#pragma fragment frag
|
|
216
|
+
|
|
217
|
+
#pragma target 2.0
|
|
218
|
+
|
|
219
|
+
|
|
220
|
+
|
|
221
|
+
#include "UnityCG.cginc"
|
|
222
|
+
|
|
223
|
+
|
|
224
|
+
|
|
225
|
+
samplerCUBE _Tex;
|
|
226
|
+
|
|
227
|
+
half4 _Tex_HDR;
|
|
228
|
+
|
|
229
|
+
half4 _Tint;
|
|
230
|
+
|
|
231
|
+
half _Exposure;
|
|
232
|
+
|
|
233
|
+
|
|
234
|
+
|
|
235
|
+
// プロパティに合わせて回転角変数も3つに増やす
|
|
236
|
+
|
|
237
|
+
float _RotationX;
|
|
238
|
+
|
|
239
|
+
float _RotationY;
|
|
240
|
+
|
|
241
|
+
float _RotationZ;
|
|
242
|
+
|
|
243
|
+
|
|
244
|
+
|
|
245
|
+
// 回転用関数の名前を変更、引数をfloatからfloat3に変更
|
|
246
|
+
|
|
247
|
+
float3 RotateAroundZXYInDegrees (float3 vertex, float3 degrees)
|
|
248
|
+
|
|
249
|
+
{
|
|
250
|
+
|
|
251
|
+
// サイン、コサインも3成分についてそれぞれ算出し...
|
|
252
|
+
|
|
253
|
+
float3 alpha = degrees * UNITY_PI / 180.0;
|
|
254
|
+
|
|
255
|
+
float3 sina, cosa;
|
|
256
|
+
|
|
257
|
+
sincos(alpha, sina, cosa);
|
|
258
|
+
|
|
259
|
+
|
|
260
|
+
|
|
261
|
+
// 各軸周りの回転行列を作成し...
|
|
262
|
+
|
|
263
|
+
float3x3 rx = float3x3(
|
|
264
|
+
|
|
265
|
+
1.0, 0.0, 0.0,
|
|
266
|
+
|
|
267
|
+
0.0, cosa.x, -sina.x,
|
|
268
|
+
|
|
269
|
+
0.0, sina.x, cosa.x);
|
|
270
|
+
|
|
271
|
+
float3x3 ry = float3x3(
|
|
272
|
+
|
|
273
|
+
cosa.y, 0.0, sina.y,
|
|
274
|
+
|
|
275
|
+
0.0, 1.0, 0.0,
|
|
276
|
+
|
|
277
|
+
-sina.y, 0.0, cosa.y);
|
|
278
|
+
|
|
279
|
+
float3x3 rz = float3x3(
|
|
280
|
+
|
|
281
|
+
cosa.z, -sina.z, 0.0,
|
|
282
|
+
|
|
283
|
+
sina.z, cosa.z, 0.0,
|
|
284
|
+
|
|
285
|
+
0.0, 0.0, 1.0);
|
|
286
|
+
|
|
287
|
+
|
|
288
|
+
|
|
289
|
+
// Z軸、X軸、Y軸の順で回転を合成し...
|
|
290
|
+
|
|
291
|
+
float3x3 m = mul(ry, mul(rx, rz));
|
|
292
|
+
|
|
293
|
+
|
|
294
|
+
|
|
295
|
+
// 回転を適用して返す
|
|
296
|
+
|
|
297
|
+
return mul(m, vertex);
|
|
298
|
+
|
|
299
|
+
}
|
|
300
|
+
|
|
301
|
+
|
|
302
|
+
|
|
303
|
+
struct appdata_t {
|
|
304
|
+
|
|
305
|
+
float4 vertex : POSITION;
|
|
306
|
+
|
|
307
|
+
UNITY_VERTEX_INPUT_INSTANCE_ID
|
|
308
|
+
|
|
309
|
+
};
|
|
310
|
+
|
|
311
|
+
|
|
312
|
+
|
|
313
|
+
struct v2f {
|
|
314
|
+
|
|
315
|
+
float4 vertex : SV_POSITION;
|
|
316
|
+
|
|
317
|
+
float3 texcoord : TEXCOORD0;
|
|
318
|
+
|
|
319
|
+
UNITY_VERTEX_OUTPUT_STEREO
|
|
320
|
+
|
|
321
|
+
};
|
|
322
|
+
|
|
323
|
+
|
|
324
|
+
|
|
325
|
+
v2f vert (appdata_t v)
|
|
326
|
+
|
|
327
|
+
{
|
|
328
|
+
|
|
329
|
+
v2f o;
|
|
330
|
+
|
|
331
|
+
UNITY_SETUP_INSTANCE_ID(v);
|
|
332
|
+
|
|
333
|
+
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
|
|
334
|
+
|
|
335
|
+
|
|
336
|
+
|
|
337
|
+
// 回転関数にX、Y、Z回転角を与える
|
|
338
|
+
|
|
339
|
+
float3 rotated = RotateAroundZXYInDegrees(v.vertex, float3(_RotationX, _RotationY, _RotationZ));
|
|
340
|
+
|
|
341
|
+
|
|
342
|
+
|
|
343
|
+
o.vertex = UnityObjectToClipPos(rotated);
|
|
344
|
+
|
|
345
|
+
o.texcoord = v.vertex.xyz;
|
|
346
|
+
|
|
347
|
+
return o;
|
|
348
|
+
|
|
349
|
+
}
|
|
350
|
+
|
|
351
|
+
|
|
352
|
+
|
|
353
|
+
fixed4 frag (v2f i) : SV_Target
|
|
354
|
+
|
|
355
|
+
{
|
|
356
|
+
|
|
357
|
+
half4 tex = texCUBE (_Tex, i.texcoord);
|
|
358
|
+
|
|
359
|
+
half3 c = DecodeHDR (tex, _Tex_HDR);
|
|
360
|
+
|
|
361
|
+
c = c * _Tint.rgb * unity_ColorSpaceDouble.rgb;
|
|
362
|
+
|
|
363
|
+
c *= _Exposure;
|
|
364
|
+
|
|
365
|
+
return half4(c, 1);
|
|
366
|
+
|
|
367
|
+
}
|
|
368
|
+
|
|
369
|
+
ENDCG
|
|
370
|
+
|
|
371
|
+
}
|
|
372
|
+
|
|
373
|
+
}
|
|
374
|
+
|
|
375
|
+
|
|
376
|
+
|
|
377
|
+
|
|
378
|
+
|
|
379
|
+
Fallback Off
|
|
380
|
+
|
|
381
|
+
|
|
382
|
+
|
|
383
|
+
}
|
|
384
|
+
|
|
385
|
+
```
|