KlemenPl/PixelDefense
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rotate orientation towards shortest arc

Browse Source
This commit is contained in:
Klemen Plestenjak
2024-01-07 08:46:55 +01:00
parent adf8545b6e
commit 8ff0078b70
2 changed files with 29 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
game/systems/systems.c
View File

@@ -67,6 +67,6 @@ void setupSystems() {
renderArmPositionSystem = renderArmPosition;
renderCollidersSystem = renderColliders;
ecs_enable(ECS, renderOrientDirSystem, false);
ecs_enable(ECS, renderArmPositionSystem, false);
//ecs_enable(ECS, renderOrientDirSystem, false);
//ecs_enable(ECS, renderArmPositionSystem, false);
}

37
game/unit_actions.c
View File

@@ -5,6 +5,14 @@
#include <raymath.h>
float shortestArc(float a, float b) {
if (fabs(b - a) < M_PI)
return b - a;
if (b > a)
return b - a - M_PI * 2.0f;
return b - a + M_PI * 2.0f;
}
void actionMoveTo(ecs_entity_t entity, Action *action, Game *game) {
if (action->finished) return;
const Vector2 target = action->as.moveTo.target;
@@ -16,9 +24,12 @@ void actionMoveTo(ecs_entity_t entity, Action *action, Game *game) {
const Vector2 pos = *ecs_get(ECS, entity, Position);
if (ecs_has(ECS, entity, Orientation)) {
Orientation *orientation = ecs_get_mut(ECS, entity, Orientation);
f32 dif = Vector2Angle(pos, target) - *orientation;
dif = Clamp(dif, -10, 10) * dt * 10;
f32 currentAngle = *orientation;
f32 targetAngle = Vector2Angle(pos, target);
f32 dif = shortestArc(currentAngle, targetAngle);
dif = Clamp(dif, -1, 1) * dt * 10;
*orientation += dif;
*orientation = fmodf(*orientation + 180.0f, 360.0f) - 180.0f;
}
f32 dst = Vector2Distance(pos, target);
if (dst < action->as.moveTo.proximityThreshold) {
@@ -26,6 +37,7 @@ void actionMoveTo(ecs_entity_t entity, Action *action, Game *game) {
ecs_remove(ECS, entity, Path);
}
}
void actionCollectResource(ecs_entity_t entity, Action *action, Game *game) {
if (action->finished) return;
BZ_ASSERT(ecs_has(ECS, entity, Worker));
@@ -42,13 +54,14 @@ void actionCollectResource(ecs_entity_t entity, Action *action, Game *game) {
if (!action->finished && action->elapsed > worker->collectSpeed) {
i32 spareCapacity = worker->carryCapacity - worker->carry;
i32 collected = harvestEvent(target, (HarvestEvent) {
.amount = BZ_MIN(1, spareCapacity),
.amount = BZ_MIN(1, spareCapacity),
});
worker->carry += collected;
action->elapsed = 0;
}
}
void actionDepositResource(ecs_entity_t entity, Action *action, Game *game) {
if (action->finished) return;
@@ -64,7 +77,7 @@ void actionDepositResource(ecs_entity_t entity, Action *action, Game *game) {
if (!action->finished && action->elapsed > worker->depositSpeed) {
depositEvent(target, (DepositEvent) {
.amount = worker->carry
.amount = worker->carry
});
worker->carry = 0;
action->finished = true;
@@ -93,6 +106,7 @@ void handleAction(ecs_entity_t entity, UnitAction *unitAction, Game *game) {
}
}
void updateAction(UnitAction *unitAction, Game *game) {
Action *action = unitAction->first;
if (action == NULL) return;
@@ -108,6 +122,7 @@ void updateAction(UnitAction *unitAction, Game *game) {
bzObjectPoolRelease(pool, action);
}
}
void clearActions(ecs_entity_t entity, Game *game) {
if (!ecs_has(ECS, entity, UnitAction)) return;
UnitAction *unitAction = ecs_get_mut(ECS, entity, UnitAction);
@@ -121,14 +136,15 @@ void clearActions(ecs_entity_t entity, Game *game) {
}
unitAction->first = NULL;
unitAction->last = NULL;
unitAction->last = NULL;
}
void addAction(ecs_entity_t entity, Game *game, const Action *action) {
BZ_ASSERT(action);
BZ_ASSERT(ecs_has(ECS, entity, UnitAction));
UnitAction *unitAction = ecs_get_mut(ECS, entity, UnitAction);
BzObjectPool *pool = game->pools.actions;
BzObjectPool *pool = game->pools.actions;
Action *newAction = bzObjectPool(pool);
BZ_ASSERT(newAction);
@@ -136,20 +152,21 @@ void addAction(ecs_entity_t entity, Game *game, const Action *action) {
newAction->next = NULL;
if (unitAction->last) {
Action *last = unitAction->last;
last->next = newAction;
Action *last = unitAction->last;
last->next = newAction;
unitAction->last = newAction;
} else {
unitAction->first = newAction;
unitAction->last = newAction;
unitAction->last = newAction;
}
}
void prependAction(ecs_entity_t entity, Game *game, const Action *action) {
BZ_ASSERT(action);
BZ_ASSERT(ecs_has(ECS, entity, UnitAction));
UnitAction *unitAction = ecs_get_mut(ECS, entity, UnitAction);
BzObjectPool *pool = game->pools.actions;
BzObjectPool *pool = game->pools.actions;
Action *newAction = bzObjectPool(pool);
BZ_ASSERT(newAction);