X-Git-Url: http://git.mutantstargoat.com?a=blobdiff_plain;f=src%2Fopengl%2Fmesh-gl.cc;h=6175aae985586d626c5ae4c5c5893879332a53fc;hb=ecb47604bb2b8ab3ac5a133e78ef6cb19a20d9cc;hp=f0956b4470295a593c9b6feef30ed3d7b3a2f8fd;hpb=243eb502c5dc70e586a9e81815234069bf623480;p=demo

diff --git a/src/opengl/mesh-gl.cc b/src/opengl/mesh-gl.cc
index f0956b4..6175aae 100644
--- a/src/opengl/mesh-gl.cc
+++ b/src/opengl/mesh-gl.cc
@@ -73,6 +73,9 @@ MeshGL::~MeshGL()
 
 void MeshGL::draw() const
 {
+	if(!vdata_valid) {
+		((MeshGL *)this)->update_vertex_data();
+	}
 	glBindVertexArray(vao);
 
 	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo);
@@ -90,12 +93,11 @@ void MeshGL::draw_normals(float scale) const
 
 		glGenBuffers(1, &nvbo);
 		glBindBuffer(GL_ARRAY_BUFFER, nvbo);
-		
+
 		glBufferData(GL_ARRAY_BUFFER, normals.size() * sizeof(Vec3) * 2, 0, GL_STATIC_DRAW);
 		Vec3 *data = (Vec3 *)glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
 
-		for (size_t i = 0; i < normals.size(); i++)
-		{
+		for(size_t i = 0; i < normals.size(); i++) {
 			*data++ = vertices[i];
 			*data++ = vertices[i] + normals[i] * scale;
 		}
@@ -104,7 +106,8 @@ void MeshGL::draw_normals(float scale) const
 		glVertexAttribPointer(MESH_VERTEX, 3, GL_FLOAT, GL_FALSE, sizeof(Vec3), 0);
 		glEnableVertexAttribArray(MESH_VERTEX);
 		glBindBuffer(GL_ARRAY_BUFFER, 0);
-	} else {
+	}
+	else {
 		glBindVertexArray(nvao);
 	}
 
@@ -201,7 +204,7 @@ void MeshGL::destroy_vbo()
 		glDeleteBuffers(1, &vbo_tex_coords);
 	if(ibo)
 		glDeleteBuffers(1, &ibo);
-	if (vao)
+	if(vao)
 		glDeleteVertexArrays(1, &vao);
 
 	if(nvbo)