+ SHADER_USE( shader_wire );
+ glBindVertexArray( world.wire.vao );
+
+ glUniformMatrix3fv( SHADER_UNIFORM( shader_wire, "uPv" ), 1, GL_FALSE, (float *)vg_pv );
+ glUniform4f( SHADER_UNIFORM( shader_wire, "uColour" ), 0.2f, 0.2f, 0.2f, 1.0f );
+
+ if( id_drag_from )
+ {
+ glUniform1f( SHADER_UNIFORM( shader_wire, "uCurve" ), 0.4f );
+ glUniform3f( SHADER_UNIFORM( shader_wire, "uStart" ), drag_from_co[0], drag_from_co[1], 0.06f );
+ glUniform3f( SHADER_UNIFORM( shader_wire, "uEnd" ), drag_to_co[0], drag_to_co[1], 0.06f );
+ glDrawElements( GL_TRIANGLES, world.wire.em, GL_UNSIGNED_SHORT, (void*)(0) );
+ }
+
+ float rp_x1 = world.frame_lerp*9.0f;
+ float rp_x2 = 1.0f-rp_x1*expf(1.0f-rp_x1)* 0.36f;
+
+ for( int y = 2; y < world.h-2; y ++ )
+ {
+ for( int x = 2; x < world.w-2; x ++ )
+ {
+ struct cell *cell = pcell((v2i){x,y});
+
+ if( cell->state & FLAG_CANAL )
+ {
+ if( cell->state & FLAG_IS_TRIGGER )
+ {
+ int trigger_id = cell->links[0]?0:1;
+
+ int x2 = cell->links[trigger_id] % world.w;
+ int y2 = (cell->links[trigger_id] - x2) / world.w;
+
+ v2f startpoint;
+ v2f endpoint;
+
+ startpoint[0] = (float)x2 + (trigger_id? 0.75f: 0.25f);
+ startpoint[1] = (float)y2 + 0.25f;
+
+ endpoint[0] = x+0.5f;
+ endpoint[1] = y+0.5f;
+
+ glUniform1f( SHADER_UNIFORM( shader_wire, "uCurve" ), cell->state & FLAG_TRIGGERED? rp_x2 * 0.4f: 0.4f );
+ glUniform3f( SHADER_UNIFORM( shader_wire, "uStart" ), startpoint[0], startpoint[1], 0.04f );
+ glUniform3f( SHADER_UNIFORM( shader_wire, "uEnd" ), endpoint[0], endpoint[1], 0.04f );
+ glDrawElements( GL_TRIANGLES, world.wire.em, GL_UNSIGNED_SHORT, (void*)(0) );
+ }
+ }
+ }
+ }
+