events:getting_started_with_godot_in_3d_part_2
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events:getting_started_with_godot_in_3d_part_2 [2020/03/31 18:05] admin created |
events:getting_started_with_godot_in_3d_part_2 [2020/03/31 18:12] admin |
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| ==== Notes for everyone ==== | ==== Notes for everyone ==== | ||
| - | * on the player object: | + | * on the player object, add raycast to camera |
| - | * Add raycast to camera | + | |
| * enable it | * enable it | ||
| * set cast to to -100 on Z axis (y=0) | * set cast to to -100 on Z axis (y=0) | ||
| Line 8: | Line 7: | ||
| * add a script to weapon (default empty) | * add a script to weapon (default empty) | ||
| * set up some variables for the weapon, track ammo code | * set up some variables for the weapon, track ammo code | ||
| - | <code> | + | <code python> |
| export var fire_rate = 0.5 | export var fire_rate = 0.5 | ||
| export var clip_size = 5 | export var clip_size = 5 | ||
| Line 21: | Line 20: | ||
| </code> | </code> | ||
| + | * Test that out | ||
| + | <code python> | ||
| + | func _process(delta): | ||
| + | if Input.is_action_just_pressed("primary_fire") and can_fire: | ||
| + | print "Fired weapon" | ||
| + | can_fire = false | ||
| + | | ||
| + | yield(get_tree().create_timer(fire_rate), "timeout") | ||
| + | can_fire = true | ||
| + | </code> | ||
| + | |||
| + | * Test those changes (try changing the fire rate in the properties box) | ||
| + | * Simulate reloading | ||
| + | <code python> | ||
| + | func _process(delta): | ||
| + | if Input.is_action_just_pressed("primary_fire") and can_fire: | ||
| + | if current_ammo > 0: | ||
| + | print "Fired weapon" | ||
| + | can_fire = false | ||
| + | current_ammo -= 1 | ||
| + | | ||
| + | yield(get_tree().create_timer(fire_rate), "timeout") | ||
| + | can_fire = true | ||
| + | else: | ||
| + | print "Reloading" | ||
| + | yield(get_tree().create_timer(reload_rate), "timeout") | ||
| + | current_ammo = clip_size | ||
| + | print "Reload complete" | ||
| + | |||
| + | </code> | ||
| + | * Fix a reload issue (race condition): | ||
| + | <code python> | ||
| + | export var fire_rate = 0.5 | ||
| + | export var clip_size = 5 | ||
| + | export var reload_rate = 1 | ||
| + | |||
| + | var current_ammo = clip_size | ||
| + | var can_fire = true | ||
| + | var reloading = false | ||
| + | |||
| + | func _process(delta): | ||
| + | if Input.is_action_just_pressed("primary_fire") and can_fire: | ||
| + | if current_ammo > 0 and not reloading: | ||
| + | print "Fired weapon" | ||
| + | can_fire = false | ||
| + | current_ammo -= 1 | ||
| + | elif not reloading: | ||
| + | print "Reloading" | ||
| + | reloading = true | ||
| + | yield(get_tree().create_timer(reload_rate), "timeout") | ||
| + | current_ammo = clip_size | ||
| + | reloading = false | ||
| + | print "Reload complete" | ||
| + | |||
| + | |||
| + | </code> | ||
events/getting_started_with_godot_in_3d_part_2.txt · Last modified: 2020/03/31 18:18 by admin
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