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SoftMaskForUGUI
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fix #16; SceneView does not display SoftMask properly

pull/87/head
mob-sakai 2019-02-01 16:27:56 +09:00
parent 4e533c22bf
commit 2f3d1e9699
4 changed files with 41 additions and 19 deletions
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4
Scripts/SoftMask.cs
View File

@ -445,8 +445,8 @@ namespace Coffee.UIExtensions
else
{
var pos = c.transform.localPosition;
var vm = Matrix4x4.TRS(-pos, Quaternion.identity, new Vector3(1, 1, -1f));
var pm = Matrix4x4.TRS(new Vector3(0, 0, -1), Quaternion.identity, new Vector3(1 / pos.x, 1 / pos.y, -2 / 1000f));
var vm = Matrix4x4.TRS(new Vector3(-pos.x, -pos.y, -1000), Quaternion.identity, new Vector3(1, 1, -1f));
var pm = Matrix4x4.TRS(new Vector3(0, 0, -1), Quaternion.identity, new Vector3(1 / pos.x, 1 / pos.y, -2 / 10000f));
_cb.SetViewProjectionMatrices(vm, pm);
}

34
Scripts/SoftMaskable.cs
View File

@ -175,6 +175,9 @@ namespace Coffee.UIExtensions
static int s_SoftMaskTexId;
static int s_StencilCompId;
static int s_MaskInteractionId;
static int s_SceneVId;
static int s_ScenePId;
static int s_GameVPId;
static List<SoftMaskable> s_ActiveSoftMaskables;
static int[] s_Interactions = new int[4];
static Material s_DefaultMaterial;
@ -195,16 +198,30 @@ namespace Coffee.UIExtensions
Matrix4x4 w2c = cam.worldToCameraMatrix;
Matrix4x4 prj = cam.projectionMatrix;
s_ActiveSoftMaskables.RemoveAll(x=>!x);
foreach (var sm in s_ActiveSoftMaskables)
{
if (sm)
if (!sm || !sm._maskMaterial || !sm.graphic || !sm.graphic.canvas)
{
Material mat = sm._maskMaterial;
if (mat)
{
mat.SetMatrix("_SceneView", w2c);
mat.SetMatrix("_SceneProj", prj);
}
continue;
}
Material mat = sm._maskMaterial;
mat.SetMatrix(s_SceneVId, w2c);
mat.SetMatrix(s_ScenePId, prj);
var c = sm.graphic.canvas.rootCanvas;
if (c.renderMode != RenderMode.ScreenSpaceOverlay && c.worldCamera)
{
var wcam = c.worldCamera;
var pv = wcam.projectionMatrix * wcam.worldToCameraMatrix;
mat.SetMatrix(s_GameVPId, pv);
}
else
{
var pos = c.transform.localPosition;
var pv = Matrix4x4.TRS(new Vector3(0, 0, 0), Quaternion.identity, new Vector3(1 / pos.x, 1 / pos.y, -2 / 1000f)) * Matrix4x4.Translate(-pos);
mat.SetMatrix(s_GameVPId, pv);
}
}
}
@ -233,6 +250,9 @@ namespace Coffee.UIExtensions
#if UNITY_EDITOR
UnityEditor.EditorApplication.update += UpdateSceneViewMatrixForShader;
s_SceneVId = Shader.PropertyToID("_SceneV");
s_ScenePId = Shader.PropertyToID("_SceneP");
s_GameVPId = Shader.PropertyToID("_GameVP");
#endif
s_SoftMaskTexId = Shader.PropertyToID("_SoftMaskTex");

2
Shaders/Resources/UI-Default-SoftMask.shader
View File

@ -108,7 +108,7 @@ Shader "UI/Default-SoftMask"
clip (color.a - 0.001);
#endif
color.a *= SoftMask(IN.vertex); // Add for soft mask
color.a *= SoftMask(IN.vertex, IN.worldPosition); // Add for soft mask
return color;
}

20
SoftMask.cginc
View File

@ -3,8 +3,9 @@
sampler2D _SoftMaskTex;
float _Stencil;
float4x4 _SceneView;
float4x4 _SceneProj;
float4x4 _SceneV;
float4x4 _SceneP;
float4x4 _GameVP;
half4 _MaskInteraction;
fixed Approximately(float4x4 a, float4x4 b)
@ -15,7 +16,7 @@ fixed Approximately(float4x4 a, float4x4 b)
max(d._m10,max(d._m11,max(d._m12,max(d._m13,
max(d._m20,max(d._m21,max(d._m22,max(d._m23,
max(d._m30,max(d._m31,max(d._m32,d._m33))))))))))))))),
0.01);
1);
}
fixed GetMaskAlpha(fixed alpha, fixed stencilId, fixed interaction)
@ -25,9 +26,15 @@ fixed GetMaskAlpha(fixed alpha, fixed stencilId, fixed interaction)
return lerp(alpha, 1 - alpha, onStencil * step(2, interaction));
}
half SoftMask(float4 clipPos)
half SoftMask(float4 clipPos, float4 wpos)
{
half2 view = clipPos.xy/_ScreenParams.xy;
#if SOFTMASK_EDITOR
fixed isSceneView = max(Approximately(UNITY_MATRIX_V, _SceneV), Approximately(UNITY_MATRIX_P, _SceneP));
float4 cpos = mul(_GameVP, mul(UNITY_MATRIX_M, wpos));
view = lerp(view, cpos.xy / cpos.w * 0.5 + 0.5, isSceneView);
#endif
#if UNITY_UV_STARTS_AT_TOP
view.y = 1.0 - view.y;
#endif
@ -38,11 +45,6 @@ half SoftMask(float4 clipPos)
* GetMaskAlpha(mask.z, 7, _MaskInteraction.z)
* GetMaskAlpha(mask.w, 15, _MaskInteraction.w);
#if SOFTMASK_EDITOR
fixed isSceneView = max(Approximately(UNITY_MATRIX_V, _SceneView), Approximately(UNITY_MATRIX_P, _SceneProj));
alpha = lerp(alpha, 1, isSceneView);
#endif
return alpha;
}