+ | Sponza scene and other

scenes/dragon.rt

@@ -24,8 +24,8 @@ pl	0 -2 0		0 1 0		2 // floor
 
 qu	-1 1.999 -1	2 0 0		0 0 2		6
 
-OBJ obj/Dragon_800K.obj -0.5 0 0.55  5       0 90 0
-OBJ obj/Dragon_800K.obj 0.5 0 -0.55 5		0 -90 0
+OBJ scenes/obj/Dragon_800K.obj -0.5 0 0.55  5       0 90 0
+OBJ scenes/obj/Dragon_800K.obj 0.5 0 -0.55 5		0 -90 0
 
 
 # OBJ obj/Model.obj

scenes/obj/cat.mtl

@@ -1,15 +0,0 @@
-# 3ds Max Wavefront OBJ Exporter v0.97b - (c)2007 guruware
-# File Created: 20.12.2011 11:12:50
-
-newmtl Cat
-	Ns 10.0000
-	Ni 1.5000
-	d 1.0000
-	Tr 0.0000
-	Tf 1.0000 1.0000 1.0000 
-	illum 2
-	Ka 1.0000 1.0000 1.0000
-	Kd 1.0000 1.0000 1.0000
-	Ks 0.0000 0.0000 0.0000
-	Ke 0.0000 0.0000 0.0000
-	map_Kd Cat_diffuse.jpg

scenes/obj/eyeball.mtl

@@ -1,46 +0,0 @@
-# Blender MTL File: 'eyeball.blend'
-# Material Count: 4
-
-newmtl EyeBlack
-Ns 1000.000000
-Ka 1.000000 1.000000 1.000000
-Kd 0.000000 0.000000 0.000000
-Ks 0.000000 0.000000 0.000000
-Ke 0.000000 0.000000 0.000000
-Ni 1.000000
-d 1.000000
-illum 0
-map_Kd textures/Eye_D.jpg
-
-newmtl Eye_Iris
-Ns 17.647059
-Ka 1.000000 1.000000 1.000000
-Kd 0.035281 0.125983 0.299100
-Ks 1.000000 1.000000 1.000000
-Ke 0.000000 0.000000 0.000000
-Ni 1.000000
-d 1.000000
-illum 2
-map_Kd textures/Eye_D.jpg
-
-newmtl Eye_Tranz.001
-Ns 705.413990
-Ka 1.000000 1.000000 1.000000
-Kd 0.607568 0.607568 0.607568
-Ks 0.439189 0.439189 0.439189
-Ke 0.000000 0.000000 0.000000
-Ni 1.000000
-d 0.170064
-illum 2
-map_Kd textures/Eye_D.jpg
-
-newmtl Eye_white
-Ns 550.955445
-Ka 1.000000 1.000000 1.000000
-Kd 0.412973 0.412973 0.412973
-Ks 0.627027 0.627027 0.627027
-Ke 0.000000 0.000000 0.000000
-Ni 1.000000
-d 1.000000
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-map_Kd textures/Eye_D.jpg

scenes/obj/small_teapot.obj

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scenes/obj/sponza.mtl

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+# Blender MTL File: 'None'
+# Material Count: 25
+
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+d 1.000000
+illum 2
+map_Kd textures/sponza_curtain_green_diff.tga
+map_Ka textures/sponza_curtain_green_diff.tga
+map_Disp textures/sponza_curtain_ddn.tga
+
+newmtl fabric_g
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/sponza_curtain_blue_diff.tga
+map_Ka textures/sponza_curtain_blue_diff.tga
+map_Disp textures/sponza_curtain_ddn.tga
+
+
+newmtl flagpole
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/sponza_flagpole_diff.tga
+map_Ka textures/sponza_flagpole_diff.tga
+map_Disp textures/sponza_flagpole_ddn.tga
+
+newmtl floor
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/sponza_floor_a_diff.tga
+map_Ka textures/sponza_floor_a_diff.tga
+map_Disp textures/sponza_floor_a_ddn.tga
+
+newmtl leaf
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/sponza_thorn_diff.tga
+map_d textures/sponza_thorn_mask.tga
+map_Disp textures/sponza_thorn_ddn.tga
+map_Ka textures/sponza_thorn_diff.tga
+
+newmtl roof
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/sponza_roof_diff.tga
+map_Ka textures/sponza_roof_diff.tga
+map_Disp textures/sponza_roof_ddn.tga
+
+newmtl vase
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/vase_dif.tga
+map_Ka textures/vase_dif.tga
+map_Disp textures/vase_ddn.tga
+
+newmtl vase_hanging
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/vase_hanging.tga
+map_Ka textures/vase_hanging.tga
+map_Disp textures/vase_hanging_ddn.tga
+
+newmtl vase_round
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 1.000000 1.000000 1.000000
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/vase_round.tga
+map_Disp textures/vase_round_ddn.tga
+map_Ka textures/vase_round.tga

scenes/obj/tails.mtl

@@ -1,13 +0,0 @@
-# Aspose.3D Wavefront OBJ Exporter
-# Copyright 2004-2024 Aspose Pty Ltd.
-# File created: 01/28/2025 10:29:08
-
-newmtl Material
-	illum 2
-	Kd 1 1 1
-	Ke 0 0 0
-	Pr 0.80404085
-	Pm 0
-	d 1
-	Tr 0
-	map_Kd Material_baseColor.png

scenes/obj/test.mtl

@@ -1,3 +0,0 @@
-newmtl patate
-d 0.5
-Kd 1 1 1

scenes/obj/test.obj

@@ -1,9 +0,0 @@
-v 0 0 0
-v 0 50 0
-v 50 50 0
-v 50 0 0
-
-mtllib obj/test.mtl
-
-usemtl patate
-f 1 2 3 4

scenes/sponza.rt

@@ -0,0 +1,14 @@
+CAM     18.9143 2.24843 -5.48951        8.60003 -200.801        0 2 45  5
+
+MAT	255 255 255		0.0		1.0 0.5 // dragon 0 
+MAT	255 220 50		0.0		1.0 0.5 // dragon 1 
+# pl	0 0 0		0 1 0		0 // floor
+
+MAT	255 255 255		5.0		0.0 0.0 // light 2 
+sp 0 50 0	25	2
+
+OBJ	scenes/obj/sponza.obj	0 0 0	0.025
+
+OBJ scenes/obj/Dragon_80K.obj 7 2.5 0		9	0 140 0		0
+OBJ scenes/obj/Dragon_80K.obj 9 1.35 -3.5	5	0 40 0		1
+

scenes/test.rt

@@ -1,15 +0,0 @@
-CAM	-2.97792 3.55077 14.1427	-0.600011 -76.3999 	0.00 2 45	5
-
-MAT	30 30 30		0.0		0.0 0.0 // gray 0 
-pl	0 0 0		0 1 0		0 // floor
-
-TEX scenes/obj/Cat_diffuse.jpg
-MAT	255 255 255		0.		0.0 0.0 LAM 0 // tex 1
-
-sp  0 8 0   1.0		1
-
-OBJ obj/tails.obj 0 0 0  1
-# OBJ obj/Lowpoly_tree_sample.obj 10 0 0
-OBJ obj/cat.obj -10 0 0  0.25 90 0 0
-
-OBJ obj/eyeball.obj 0 2 5

shaders/light.glsl

@@ -2,7 +2,7 @@ hitInfo	traceRay(Ray ray);
 
 vec3 GetEnvironmentLight(Ray ray)
 {
-    // return vec3(0.);
+    return vec3(0.);
 	vec3 sun_pos = vec3(-0.5, 0.5, 0.5);
 	float SunFocus = 1.5;
 	float SunIntensity = 1.;
@@ -41,7 +41,7 @@ vec3 sampleSphereLight(vec3 position, GPUObject obj, int light_index, GPUMateria
         return vec3(0.0);
 
     float cos_theta = max(0.0, -dot(light_dir, normalize(sample_point - obj.position)));
-    return mat.emission * mat.color / (light_dist * light_dist) * cos_theta / (4.0 * M_PI * (obj.radius / 2.0) * (obj.radius / 2.0));
+    return mat.emission * mat.color / (light_dist); // * cos_theta / (4.0 * M_PI * (obj.radius / 2.0) * (obj.radius / 2.0));
 }
 
 vec3 sampleQuadLight(vec3 position, GPUObject obj, int light_index, GPUMaterial mat, inout uint rng_state)
@@ -65,7 +65,7 @@ vec3 sampleQuadLight(vec3 position, GPUObject obj, int light_index, GPUMaterial
 
     vec3 normal = normalize(crossQuad);
     float cos_theta = max(0.0, dot(normal, -light_dir));
-    return mat.emission * mat.color / (light_dist * light_dist) * cos_theta / pdf;
+    return mat.emission * mat.color / (light_dist); // * cos_theta / pdf;
 }
 
 vec3 sampleLights(vec3 position, inout uint rng_state)
@@ -112,6 +112,7 @@ vec3 getTextureColor(int texture_index, hitInfo hit)
     else if (hit.obj_type == 3)
     {
         GPUTriangle tri = triangles[hit.obj_index];
+
         uv = hit.u * tri.texture_vertex2 + hit.v * tri.texture_vertex3 + (1 - (hit.u + hit.v)) * tri.texture_vertex1;
         uv = vec2(uv.x, 1 - uv.y);
     }