fixed the z/normal interpolation

src/RasterIver/headers/master_kernel.h

@@ -39,7 +39,7 @@ __kernel void raster_kernel(__global int* objects, __global float* verticies, __
     uint frame_pixel = 0x22222222; \
     \
     float highest_z = 800;\
-    float lowest_z = 400;\
+    float lowest_z = 0;\
     \
     for (int object = 0; object < object_count; object++){ \
         int base = object * 15;\
@@ -164,7 +164,7 @@ __kernel void raster_kernel(__global int* objects, __global float* verticies, __
                     continue; \
                 } \
                 float w0 = ((y1 - y2) * (id_x - x2) + (x2 - x1) * (id_y - y2)) / denominator; \
-                float w1 = ((y2 - y0) * (id_x - x0) + (x0 - x2) * (id_y - y2)) / denominator; \
+                float w1 = ((y2 - y0) * (id_x - x0) + (x0 - x2) * (id_y - y0)) / denominator; \
                 float w2 = 1.0 - w0 - w1; \
                 \
                 float z = w0 * z0 + w1 * z1 + w2 * z2; \
@@ -176,9 +176,14 @@ __kernel void raster_kernel(__global int* objects, __global float* verticies, __
                     float ny = w0 * n_y0 + w1 * n_y1 + w2 * n_y2;\
                     float nz = w0 * n_z0 + w1 * n_z1 + w2 * n_z2;\
                     \
-                    uchar r = (uchar)((nx * 0.5f + 0.5f) * 255.0f);\
-                    uchar g = (uchar)((ny * 0.5f + 0.5f) * 255.0f);\
-                    uchar b = (uchar)((nz * 0.5f + 0.5f) * 255.0f);\
+                    \
+                    nx = clamp((nx * 0.5f + 0.5f) * 255.0f, 0.0f, 255.0f);\
+                    ny = clamp((ny * 0.5f + 0.5f) * 255.0f, 0.0f, 255.0f);\
+                    nz = clamp((nz * 0.5f + 0.5f) * 255.0f, 0.0f, 255.0f);\
+                    \
+                    uchar r = (uchar)nx;\
+                    uchar g = (uchar)ny;\
+                    uchar b = (uchar)nz;\
                     \
                     if (!has_normals){\
                         r = 20;\

src/RasterIver/source code/rasteriver.c

@@ -846,10 +846,9 @@ RI_result RI_Tick(){
 
                 debug_tick_func(1, "Wrote Triangles Buffer");
             }
-
+            
             erchk(clEnqueueFillBuffer(queue, output_memory_buffer, &pattern, sizeof(RI_uint), 0, sizeof(RI_uint) * width * height, 0, NULL, NULL));
             erchk(clFinish(queue));
-
             debug_tick_func(1, "Cleared Frame Buffer");
 
             size_t local_size_2d[2] = {sqrt(local_size), sqrt(local_size)};

src/launch program/main.c

@@ -27,11 +27,11 @@ int main(){
     }
 
     RI_newObject object_buffer[5] = {
+        {400, 400, 400, 0, 0, 0, 100, 100, 100, "objects/teapot.obj", "texture.png"},
         {200, 400, 400, 0, 0, 0, 100, 100, 100, "objects/gourd.obj", "texture.png"},
-        {400, 50, 400, 0, 0, 0, 400, 400, 400, "objects/gordon_freeman.obj", "texture.png"},
+        {400, 20, 400, 0, 0, 0, 400, 400, 400, "objects/gordon_freeman.obj", "texture.png"},
         {600, 400, 300, 0, 0, 0, 100, 100, 100, "objects/rotated_cube.obj", "texture.png"},
         {400, 400, 400, 0, 0, 0, 100, 100, 100, "objects/obj_file.obj", "texture.png"},
-        {400, 400, 400, 0, 0, 0, 100, 100, 100, "objects/obj_file.obj", "texture.png"},
     };
 
     RI_objects objects = RI_RequestObjects(object_buffer, 3);