diff options
Diffstat (limited to 'themes/Renderer3d.cpp')
| -rw-r--r-- | themes/Renderer3d.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/themes/Renderer3d.cpp b/themes/Renderer3d.cpp index a7779e2..300a73b 100644 --- a/themes/Renderer3d.cpp +++ b/themes/Renderer3d.cpp @@ -11,6 +11,7 @@ const char* vertexShader = "attribute vec4 position; \n" "attribute vec4 color; \n" +"attribute vec4 normal \n" "uniform mat4 projection; \n" "uniform mat4 view; \n" "uniform mat4 model; \n" @@ -47,6 +48,7 @@ void Renderer3D::load(WebglContext* inContext) { useShader(shader); attributes.position = getShaderAttribute(shader, "position"); attributes.color = getShaderAttribute(shader, "color"); + attributes.normal = getShaderAttribute(shader, "normal"); uniforms.projection = getShaderUniform(shader, "projection"); uniforms.view = getShaderUniform(shader, "view"); uniforms.model = getShaderUniform(shader, "model"); @@ -177,9 +179,19 @@ Mesh3d Mesh3d_fromObj(Renderer3D* renderer, const char* content, const i32 len) lt.v.indices[lt.idx] = atoi(buffer); lt.idx++; } - result.indices.add(lt.v.indices[0] - 1); - result.indices.add(lt.v.indices[1] - 1); - result.indices.add(lt.v.indices[2] - 1); + + auto v1idx = lt.v.indices[0] - 1; + auto v2idx = lt.v.indices[1] - 1; + auto v3idx = lt.v.indices[2] - 1; + + result.indices.add(v1idx); + result.indices.add(v2idx); + result.indices.add(v3idx); + + auto v1 = result.vertices[v1idx]; + auto v2 = result.vertices[v2idx]; + auto v3 = result.vertices[v3idx]; + auto normal = (v1 - v2).cross(v1 - v3); break; case LineType_Comment: i = readPastLine(i, content); |