Raymarch Nut: add player hand positions; libgarbage example: add big cutter

Assets/raymarched/Nut.mat

@@ -72,7 +72,7 @@ Material:
     - _SmoothnessTextureChannel: 0
     - _SpecularHighlights: 1
     - _SrcBlend: 1
-    - _SurfDist: 0.002
+    - _SurfDist: 0.001
     - _UVSec: 0
     - _ZWrite: 1
     m_Colors:

Assets/raymarched/Raymarching.unity

@@ -38,7 +38,7 @@ RenderSettings:
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   m_CustomReflection: {fileID: 0}
   m_Sun: {fileID: 0}
-  m_IndirectSpecularColor: {r: 0.17883426, g: 0.22392553, b: 0.30580956, a: 1}
+  m_IndirectSpecularColor: {r: 0.12732331, g: 0.13415194, b: 0.12107967, a: 1}
   m_UseRadianceAmbientProbe: 0
 --- !u!157 &3
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+  m_RootOrder: 9
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+  m_RootOrder: 10
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@@ -1034,7 +1037,7 @@ Transform:
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@@ -1177,98 +1181,6 @@ MonoBehaviour:
   m_Name: 
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   type: RaymarcherObjectA
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-  m_PrefabAsset: {fileID: 0}
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-  m_Name: Directional Light
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-  m_Icon: {fileID: 0}
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-  m_Color: {r: 1, g: 0.95686275, b: 0.8392157, a: 1}
-  m_Intensity: 1
-  m_Range: 10
-  m_SpotAngle: 30
-  m_InnerSpotAngle: 21.80208
-  m_CookieSize: 10
-  m_Shadows:
-    m_Type: 2
-    m_Resolution: -1
-    m_CustomResolution: -1
-    m_Strength: 1
-    m_Bias: 0.05
-    m_NormalBias: 0.4
-    m_NearPlane: 0.2
-    m_CullingMatrixOverride:
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-      e01: 0
-      e02: 0
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-      e10: 0
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-  m_Flare: {fileID: 0}
-  m_RenderMode: 0
-  m_CullingMask:
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-    m_Bits: 4294967295
-  m_RenderingLayerMask: 1
-  m_Lightmapping: 4
-  m_LightShadowCasterMode: 0
-  m_AreaSize: {x: 1, y: 1}
-  m_BounceIntensity: 1
-  m_ColorTemperature: 6570
-  m_UseColorTemperature: 0
-  m_BoundingSphereOverride: {x: 0, y: 0, z: 0, w: 0}
-  m_UseBoundingSphereOverride: 0
-  m_ShadowRadius: 0
-  m_ShadowAngle: 0
---- !u!4 &845829382
-Transform:
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-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 845829380}
-  m_LocalRotation: {x: 0.85522455, y: -0.12030997, z: 0.22915669, w: 0.44900298}
-  m_LocalPosition: {x: 0.16, y: 3, z: 0.09}
-  m_LocalScale: {x: 1, y: 1, z: 1}
-  m_Children: []
-  m_Father: {fileID: 0}
-  m_RootOrder: 1
-  m_LocalEulerAnglesHint: {x: 124.6, y: -30, z: 0}
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@@ -1408,6 +1320,7 @@ GameObject:
   - component: {fileID: 887058548}
   - component: {fileID: 887058547}
   - component: {fileID: 887058546}
+  - component: {fileID: 887058549}
   m_Layer: 0
   m_Name: Nut
   m_TagString: Untagged
@@ -1487,7 +1400,7 @@ Transform:
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 9
+  m_RootOrder: 8
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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@@ -1503,6 +1416,7 @@ MonoBehaviour:
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   type: 3
   objectId: b6156cfd-0daa-4e22-ace6-220b7ba376bc
+  randomNum: 32637084
 --- !u!114 &887058547
 MonoBehaviour:
   m_ObjectHideFlags: 0
@@ -1541,6 +1455,27 @@ MonoBehaviour:
   snappingReferences: []
   autoHold: 0
   ikReference: {fileID: 0}
+--- !u!114 &887058549
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
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+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 887058541}
+  m_Enabled: 1
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+  m_Script: {fileID: 11500000, guid: 5256473d683a24743ab8a6b352997437, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  targetMaterial: {fileID: 2100000, guid: c881d33e96e5ee113a7ca92a93839d15, type: 2}
+  playerRootPositions: _PlayerRootPositions
+  playerHipPositions: _PlayerHipPositions
+  playerHeadPositions: _PlayerHeadPositions
+  playerLeftHandPositions: _PlayerLeftHandPositions
+  playerRightHandPositions: _PlayerRightHandPositions
+  playerChestPositions: _PlayerChestPositions
+  playerLeftFootPositions: _PlayerLeftFootPositions
+  playerRightFootPositions: _PlayerRightFootPositions
 --- !u!1 &950930976
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@@ -1769,7 +1704,7 @@ Transform:
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   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 8
+  m_RootOrder: 7
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@@ -1785,6 +1720,7 @@ MonoBehaviour:
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@@ -1914,7 +1850,7 @@ Transform:
   m_LocalScale: {x: 0.05, y: 0.05, z: 0.05}
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   m_Father: {fileID: 0}
-  m_RootOrder: 7
+  m_RootOrder: 6
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-  m_RootOrder: 3
+  m_RootOrder: 2
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 SphereCollider:
@@ -2217,7 +2154,7 @@ Transform:
   m_LocalScale: {x: 19.2, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 4
+  m_RootOrder: 3
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@@ -2295,13 +2232,13 @@ Transform:
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   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 1500710831}
-  m_LocalRotation: {x: 0.36414537, y: 0, z: 0, w: 0.9313421}
+  m_LocalRotation: {x: 0.30261943, y: 0, z: 0, w: 0.95311147}
-  m_LocalPosition: {x: 0, y: 0.67, z: -0.7}
+  m_LocalPosition: {x: 0, y: 0.37, z: -0.8}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
   m_RootOrder: 0
-  m_LocalEulerAnglesHint: {x: 42.71, y: 0, z: 0}
+  m_LocalEulerAnglesHint: {x: 35.23, y: 0, z: 0}
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-  m_RootOrder: 2
+  m_RootOrder: 1
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Assets/raymarched/lib/libgarbage.cginc

@@ -285,12 +285,13 @@ SurfacePoint default_material_sdf(float3 p) {
 }
 
 float3 default_lighting(Ray ray) {
-	float3 sun_dir = normalize(float3(1, 0.5, 0));
+	float3 sun_dir = normalize(float3(1, 0.5, -0.5));
 	if (ray.missed)
-		return 0.1;
+		return lRenderSky(ray.dir, sun_dir);
-	float3 col = 0;
+	float3 light = lSun(ray.normal, sun_dir);
-	col = ray.mat.col * dot(ray.normal, sun_dir);
+	light *= lShadow(ray.hit_pos + ray.normal * SURF_DIST, sun_dir, 50);
-	return col;
+	light +=  lSky(ray.normal);
+	return light * ray.mat.col;
 }
 
 #endif // LIBGARBAGE_INCLUDED

Assets/raymarched/lib/libgarbage_example.shader

@@ -27,7 +27,7 @@ Shader "CrispyPin/LibGarbageExample"
 			#define MAX_DIST _MaxDist
 			#define SURF_DIST _SurfDist
 
-			#define REFLECTIONS 3
+			#define REFLECTIONS 2
 
 			#define LIGHT_FN lighting
 			#define SCENE_FN main
@@ -39,8 +39,8 @@ Shader "CrispyPin/LibGarbageExample"
 			// #define DISABLE_DEPTH
 			// #define DISCARD_ON_MISS
 			// #define USE_WORLD_SPACE
-			#define STEP_MULTIPLIER 0.8
+			// #define STEP_MULTIPLIER 0.8
-			#define SCENE_SCALE 0.2
+			#define SCENE_SCALE 0.17
 			#define LIMIT_DEPTH_TO_MESH
 			#include "libgarbage.cginc"
 
@@ -52,6 +52,10 @@ Shader "CrispyPin/LibGarbageExample"
 			}
 
 			float3 floor_col(float3 p) {
+				p = rotY(p, sin(length(p.xz) * 0.2) * 0.2);
+				float atime = fmod(_Time.y * 0.3, 1);
+				p.x += smoothstep(0, 0.5, atime) * 2;
+				p.z += smoothstep(0.5, 1, atime) * 2;
 				return lerp(0.08,
 					checkers(p - 1, 0.06, 0.12, 2),
 					smoothstep(64, 0, length(p))
@@ -60,30 +64,53 @@ Shader "CrispyPin/LibGarbageExample"
 
 			SurfacePoint main(float3 p) {
 				Material floor = mat(floor_col(p));
-
 				p.y += 2.5;
 
-				// Material green = mat(float3(0.05, 0.8, 0.2));
-				Material mat1 = mat(1, 0.3, 0.1);
-				// Material mat1 = mat(0.05);
-				Material helix_glossy = mat(float3(1, 0.2, 0.05), 0.5);
-
 				SurfacePoint d;
+				d = mSphere(p - float3(-2, 1, -2), 0.5);
+				d = qUnion(d, mTorus(p - float3(0, 1, -2), 0.4, 0.1));
+				// float3 line_a = float3(1.5, 1.5, -2);
+				float3 line_a = float3(2 - cos(_Time.z)*0.5, 1.5, -2 - sin(_Time.z)*0.5);
+				float3 line_b = float3(2 + cos(_Time.z)*0.3, 0.5, -2 + sin(_Time.z)*0.3);
+				d = qUnion(d, mLine(p, line_a, line_b, 0.2));
 
+				d = qUnion(d, mBox(p - float3(-2, 1, 0), float3(0.5, 0.5, 0.8)));
+				d = qUnion(d, mHexPrism(p - float3(0, 1, 0), 0.5, 0.2));
+				d = qUnion(d,
+					qIntersect(
+						mHelix(rotY(p - float3(2, -1, 0), _Time.y), 0.5, 0.2, 0.13),
+						mBox(p - float3(2, 1, 0), 1.8),
+						0.05
+					)
+				);
 
-				d =/*  qUnion(d, */ mSphere(p - float3(-2, 1, -2), 0.5, mat1)/* ) */;
+				d = qUnion(d, mCylinder(p - float3(-2, 1, 2), 0.4, 0.5));
-				d = qUnion(d, mTorus(p - float3(0, 1, -2), 0.4, 0.1, mat1));
-				d = qUnion(d, mLine(p, float3(1.5, 1.5, -2), float3(2.5, 0.5, -2), 0.2, mat1));
-
-				d = qUnion(d, mBox(p - float3(-2, 1, 0), float3(0.5, 0.5, 0.8), mat1));
-				d = qUnion(d, mHexPrism(p - float3(0, 1, 0), 0.5, 0.2, mat1));
-				d = qUnion(d, qIntersect(mHelix(rotY(p - float3(2, -1, 0), _Time.y), 0.5, 0.2, 0.13, helix_glossy), mBox(p - float3(2, 1, 0), 1.8, mat1),0.05));
-
-				d = qUnion(d, mCylinder(p - float3(-2, 1, 2), 0.4, 0.5, mat1));
 				d = qRound(d, 0.05 * sin(_Time.y));
-				// d.mat = mat1;
+
-				d = qUnion(d, mPlaneY(p, 0, floor));
+				float torus_angle = (sin(_Time.y)/2 + 0.5) * UNITY_PI;
-				d = qIntersect(d, mSphere(p, 7, d.mat)); // limit floor size for better performance
+				d = qUnion(d, mCappedTorus(p - float3(0, 1, 2), float2(sin(torus_angle), cos(torus_angle)), 0.4, 0.1));
+
+				d = qUnion(d,
+					mFromDist(
+						qIntersect(
+							qRound(sdBox(p - float3(2, 1, 2), 1), 0.005),
+							sdGyroid(p, 12, sin(_Time.y) * UNITY_PI * 0.5, 0.2),
+							0.01
+						)
+					)
+				);
+
+				d.mat = mat(float3(0.1, 0.6, 1.0), 0.5);
+				float3 p2 = p - float3(0, 2, sin(_Time.x * 5) * 3);
+				d = qUnion(d, qRound(mBox(p2, float3(6, 4, .2), mat(0.1)), 0.01));
+				d = qSub(d, mBox(p2, float3(5.6, 3.6, .25)), 0.02);
+
+				d = qUnion(d,
+					qIntersect(
+						mPlaneY(p, 0, floor),
+						mSphere(p, 7, floor)
+					) // limit floor size for better performance
+				);
 				return d;
 			}
 
@@ -92,8 +119,7 @@ Shader "CrispyPin/LibGarbageExample"
 				if (ray.missed) {
 					if (ray.dir.y >= 0) {
 						return lRenderSky(ray.dir, sun_dir);
-					} else
+					} else {
-					{
 						float3 cam = ray.start;
 						cam.y += 2.5;
 						float3 dir = ray.dir;

Assets/raymarched/lib/libgarbage_lighting.cginc

@@ -3,18 +3,17 @@
 // common lighting operations
 // --------------------------------
 
-float3 lRenderSun(float3 ray_dir, float3 sun_dir) {
+float3 lRenderSun(float3 ray_dir, float3 sun_dir, float3 sun_col = float3(0.8, 0.4, 0.1)) {
 	float alignment = min(acos(dot(ray_dir, sun_dir)), 1);
-	float sun_amount = smax(min(0.03 / alignment, 5) - 0.06, 0, 0.15);
+	float sun_amount = pow(0.025/alignment, 3);
-	return sun_amount* float3(0.8, 0.4, 0.1);
+	return sun_amount * sun_col;
 }
 
 // a basic procedural sky
 float3 lRenderSky(float3 ray_dir, float3 sun_dir) {
 	float3 rendered_sun = lRenderSun(ray_dir, sun_dir);
-	// float3 rendered_sun = max(0, pow(dot(ray_dir, sun_dir) + 0.4, 10)-28) * float3(0.8, 0.4, 0);
+	float a = 1 - abs(ray_dir.y);
-	return float3(0.7, 0.75, 0.8) - abs(ray_dir.y) * 0.5 + rendered_sun;
+	return lerp(float3(0.3, 0.3, 0.7), float3(0.6, 0.7, 0.9), a) + rendered_sun;
-	// return rendered_sun;
 }
 
 //calculate sky light

Assets/raymarched/lib/libgarbage_shapes.cginc

@@ -44,6 +44,13 @@ float sdTorus(float3 p, float radius, float thickness) {
 }
 _MAT_VARIANT2(mTorus, sdTorus, float, radius, float, thickness)
 
+float sdCappedTorus(float3 p, float2 sc, float r1, float r2) {
+	p.x = abs(p.x);
+	float k = (sc.y * p.x > sc.x * p.z) ? dot(p.xz, sc) : length(p.xz);
+	return sqrt(dot(p, p) + r1 * r1 - 2.0 * r1 * k) - r2;
+}
+_MAT_VARIANT3(mCappedTorus, sdCappedTorus, float2, sc, float, r1, float, r2)
+
 float sdPlaneY(float3 p, float height) {
 	return p.y - height;
 }
@@ -74,7 +81,8 @@ float sdHelix(float3 p, float r1, float r2, float incline) {
 	float angle = atan2(p.z, p.x); // angle around y axis
 	float y = angle * incline - p.y;
 	y = fmod(y, UNITY_PI * incline * 2) + UNITY_PI * incline;
-	return length(float2(x2, y)) - r2;
+	float dist = length(float2(x2, y)) - r2;
+	return dist * 0.8;
 }
 _MAT_VARIANT3(mHelix, sdHelix, float, r1, float, r2, float, incline)
 
@@ -86,8 +94,14 @@ float sdLine(float3 p, float3 a, float3 b, float r) {
 }
 _MAT_VARIANT3(mLine, sdLine, float3, a, float3, b, float3, r)
 
+float sdGyroid(float3 p, float scale, float bias, float thickness) {
+	float dist = abs(dot(sin(p * scale), cos(p.zxy * scale)) + bias) - thickness;
+	dist *= .58 / scale;
+	return dist;
+}
+_MAT_VARIANT3(mGyroid, sdGyroid, float, scale, float, bias, float, thickness)
 
-SurfacePoint mDummy(float d, Material mat = DEFAULT_MAT) {
+SurfacePoint mFromDist(float d, Material mat = DEFAULT_MAT) {
 	SurfacePoint o;
 	o.dist = d;
 	o.mat = mat;

Assets/raymarched/nut.shader

@@ -19,6 +19,10 @@ Shader "CrispyPin/Nut"
 			#pragma vertex vert
 			#pragma fragment frag
 
+			#define PLAYER_COUNT 6
+			float4 _PlayerRightHandPositions[PLAYER_COUNT];
+			float4 _PlayerLeftHandPositions[PLAYER_COUNT];
+
 			int _MaxSteps;
 			float _MaxDist;
 			float _SurfDist;
@@ -36,7 +40,7 @@ Shader "CrispyPin/Nut"
 			// #define DISTANCE_FN separate_dist
 			// #define STEP_MULTIPLIER 0.1
 
-			#define SCENE_SCALE 0.8
+			#define SCENE_SCALE 0.7
 
 			// #define DISABLE_DEPTH
 			// #define DISCARD_ON_MISS
@@ -106,12 +110,29 @@ Shader "CrispyPin/Nut"
 
 				d = qUnion(d, bolt);
 
+				// d = qUnion(d, mSphere(p - float3(0,0,.3), 0.15, mat(1,0,0.5)), 0.1);
+
 				// floor
 
 				// d = qUnion(d, mPlaneY(p, -0.5, mat(floor_col, 0)), 0.01);
 				// d = qIntersect(d, mPlaneY(-p, 0.6, mat(floor_col, 0)), 0.01);
 				d = qUnion(d, mBox(p - float3(0, -0.6, 0), float3(6, 0.05, 6), mat(floor(p), 0)));
 
+				[unroll]
+				for (int i = 0; i < PLAYER_COUNT; i++) {
+					// float visible = (float)(length(_PlayerRightHandPositions[i]) > 0);
+					// float visible = step(0.01, length(_PlayerRightHandPositions[i]));
+					[flatten]
+					if (length(_PlayerRightHandPositions[i]) > 0.01) {
+						float rad = 0.1;
+						float3 hand_r = mul(unity_WorldToObject, float4(_PlayerRightHandPositions[i].xyz, 1)).xyz / SCENE_SCALE;
+						d = qUnion(d, mSphere(p - hand_r, rad, mat(0.1, sin(_Time.y)*0.5 +0.5, 1)), 0.2);
+						float3 hand_l = mul(unity_WorldToObject, float4(_PlayerLeftHandPositions[i].xyz, 1)).xyz / SCENE_SCALE;
+						d = qUnion(d, mSphere(p - hand_l, rad, mat(float3(1, 0, 0.1), 0.5)), 0.2);
+					}
+				}
+
+
 				// d = qUnion(d, mSphere(p - float3(0, -0.5, 1), 0.4));
 				return d;
 			}
@@ -137,18 +158,11 @@ Shader "CrispyPin/Nut"
 						return col * (lSky(float3(0,1,0)) + lSun(float3(0,1,0), sun_dir));
 					}
 				}
-				float3 col = 0;
+				float3 light = lSun(ray.normal, sun_dir)
-				col =
+					* lShadow(ray.hit_pos + ray.normal * SURF_DIST, sun_dir, 50)
-				//  ray.mat.col *
+				 	+ lSky(ray.normal);
-				  lSun(ray.normal, sun_dir);
-				col *= lShadow(ray.hit_pos + ray.normal * SURF_DIST, sun_dir, 50);
-				col +=
-				//  ray.mat.col *
-				lSky(ray.normal);
-					// float3(0.5, 0.8, 0.9);
-				// col = ray.mat.col;
 
-				return col*ray.mat.col;
+				return light * ray.mat.col;
 			}