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GameScene.m
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GameScene.m
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//
// GameScene.m
// ios8-spritekit-custom-shader
//
// Created by ymc-thzi on 15.09.14.
// Copyright (c) 2014 ymc-thzi. All rights reserved.
//
#import "GameScene.h"
@implementation GameScene
-(void)didMoveToView:(SKView *)view {
//Setup a container sprite for the shader that makes the movement
SKSpriteNode *shaderContainer_move = [SKSpriteNode spriteNodeWithImageNamed:@"dummypixel.png"];
shaderContainer_move.position = CGPointMake(self.frame.size.width/2, self.frame.size.height/2);
shaderContainer_move.size = CGSizeMake(self.frame.size.width, self.frame.size.height);
[self addChild:shaderContainer_move];
//Create the shader from a shader-file
SKShader* shader_move = [SKShader shaderWithFileNamed:@"shader_water_movement.fsh"];
//Set vairiables that are used in the shader script
shader_move.uniforms = @[
[SKUniform uniformWithName:@"size" floatVector3:GLKVector3Make(self.frame.size.width*1.5, self.frame.size.height*1.5, 0)],
[SKUniform uniformWithName:@"customTexture" texture:[SKTexture textureWithImageNamed:@"sand.png"]],
];
//add the shader to the sprite
shaderContainer_move.shader = shader_move;
//Setup a container sprite for the shader that makes the reflections
SKSpriteNode *shaderContainer_reflect = [SKSpriteNode spriteNodeWithImageNamed:@"dummypixel.png"];
shaderContainer_reflect.position = CGPointMake(self.frame.size.width/2, self.frame.size.height/2);
shaderContainer_reflect.size = CGSizeMake(self.frame.size.width, self.frame.size.height);
[self addChild:shaderContainer_reflect];
//Create the shader from a shader-file
SKShader* shader_reflect = [SKShader shaderWithFileNamed:@"shader_water_reflection.fsh"];
//Set vairiables that are used in the shader script
shader_reflect.uniforms = @[
[SKUniform uniformWithName:@"size" floatVector3:GLKVector3Make(self.frame.size.width, self.frame.size.height, 0)],
];
//add the shader to the sprite
shaderContainer_reflect.shader = shader_reflect;
//just add sand sprite only to look good :-)
SKSpriteNode *beach = [SKSpriteNode spriteNodeWithImageNamed:@"beach.png"];
beach.size = self.size;
beach.position = CGPointMake(self.frame.size.width/2, self.frame.size.height/2-100);
[self addChild:beach];
}
@end