DustEntity.h

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/*
 
DustEntity.h
 
Entity representing a number of dust particles.
 
Oolite
Copyright (C) 2004-2013 Giles C Williams and contributors
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
 
*/
 
#import "Entity.h"
#import "OOOpenGLExtensionManager.h"
#import "OOTexture.h"
 
#define DUST_SCALE          2000
#define DUST_N_PARTICLES    600
 
@class OOColor, OOShaderProgram, OOShaderUniform;
 
 
@interface DustEntity: Entity
{
@private
    OOColor             *dust_color;
    Vector              vertices[DUST_N_PARTICLES * 2];
    GLushort            indices[DUST_N_PARTICLES * 2];
    GLfloat             color_fv[4];
    OOTexture     *texture;
    bool          hasPointSprites;
    
#if OO_SHADERS
    GLfloat             warpinessAttr[DUST_N_PARTICLES * 2];
    OOShaderProgram     *shader;
    NSArray             *uniforms;
    uint8_t             shaderMode;
#endif
}
 
- (void) setDustColor:(OOColor *) color;
- (OOColor *) dustColor;
 
@end