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en:guides:beginners:shooting_and_spawners [2021/07/15 15:10 (4 years ago)] – minor grammar and spelling corrections creampuffen:guides:beginners:shooting_and_spawners [2024/11/18 05:08 (4 months ago)] (current) – Fix position and speed of the bullets sausage
Line 36: Line 36:
 </code> </code>
  
-Some words on the above. This spawner can shoot ''BulletObject''s. It can shoot one at a time with 0.1 seconds between shots.+This spawner can shoot ''BulletObject''s. It can shoot one at a time with 0.1 seconds between shots.
  
 Time to attach it to the ''HeroObject'': Time to attach it to the ''HeroObject'':
  
-<code=ini>+<code=ini [highlight_lines_extra="7"]>
 [HeroObject] [HeroObject]
 Graphic      = HeroGraphic Graphic      = HeroGraphic
-Position     = (50400, 0)+Position     = (-350100, 0)
 Scale        = 2 Scale        = 2
 AnimationSet = HeroAnimationSet AnimationSet = HeroAnimationSet
Line 72: Line 72:
 Remove the spawner from the hero object, and make ''HerosGun'' a child of ''HeroObject'': Remove the spawner from the hero object, and make ''HerosGun'' a child of ''HeroObject'':
  
-<code=ini>+<code=ini [highlight_lines_extra="7"]>
 [HeroObject] [HeroObject]
 Graphic      = HeroGraphic Graphic      = HeroGraphic
Line 82: Line 82:
 </code> </code>
  
-When you run this, you'll notice little difference. Our hero is still firing. But now we can turn his gun off at the bottom of the Init() function.+When you run this, you'll notice little difference. Our hero is still firing. But now we can turn his gun off at the bottom of the ''Init()'' function.
  
 But we need a reference to the gun in code, which we don't have yet because [HerosGun] was created automatically with HeroObject. But we need a reference to the gun in code, which we don't have yet because [HerosGun] was created automatically with HeroObject.
Line 88: Line 88:
 First declare the gun as a variable just like the hero object: First declare the gun as a variable just like the hero object:
  
-<code=cpp>+<code=cpp [highlight_lines_extra="2"]>
 orxOBJECT *hero; orxOBJECT *hero;
 orxOBJECT *herosGun; orxOBJECT *herosGun;
 </code> </code>
  
-Then, in the Init() function, get the child reference of the gun using the hero object:+Then, in the ''Init()'' function, get the child reference of the gun using the hero object:
  
-<code=cpp> +<code=cpp [highlight_lines_extra="2"]
-herosGun = (orxOBJECT*)orxObject_GetChild(hero);+  hero = orxObject_CreateFromConfig("HeroObject"); 
 +  herosGun = (orxOBJECT*)orxObject_GetChild(hero); 
 +  orxObject_CreateFromConfig("Scene");
 </code> </code>
  
 Now that you have the reference, turn off the ''herosGun'' immediately after creating it: Now that you have the reference, turn off the ''herosGun'' immediately after creating it:
  
-<code=cpp> +<code=cpp [highlight_lines_extra="3"]
-orxObject_Enable(herosGun, orxFALSE);+  hero = orxObject_CreateFromConfig("HeroObject"); 
 +  herosGun = (orxOBJECT*)orxObject_GetChild(hero); 
 +  orxObject_Enable(herosGun, orxFALSE); 
 +  orxObject_CreateFromConfig("Scene");
 </code> </code>
  
 Compile and run. Compile and run.
  
-Cool, he stopped shooting. The last thing, turn on, and off the shooting based on pressing the left control key:+Cool, he stopped shooting. The last thing, turn on, and off the shooting based on pressing the left control key in the ''Update()'':
  
 <code=cpp> <code=cpp>
Line 122: Line 127:
 Hmmm... His bullets don't go left when the hero faces left. Change the spawner by adding ''ObjectSpeed'' and ''UseRelativeSpeed'' properties: Hmmm... His bullets don't go left when the hero faces left. Change the spawner by adding ''ObjectSpeed'' and ''UseRelativeSpeed'' properties:
  
-<code=ini>+<code=ini [highlight_lines_extra="5,6,7"]>
 [BulletSpawner] [BulletSpawner]
 Object           = BulletObject Object           = BulletObject
 WaveSize         = 1 WaveSize         = 1
 WaveDelay        = 0.1 WaveDelay        = 0.1
-Position         = (0, 0, 0) +Position         = (0, -6, 0) 
-ObjectSpeed      = (500, 0, 0)+ObjectSpeed      = (1500, 0, 0)
 UseRelativeSpeed = true UseRelativeSpeed = true
 </code> </code>
en/guides/beginners/shooting_and_spawners.1626387013.txt.gz · Last modified: 2021/07/15 15:10 (4 years ago) by creampuff