c/JacksEscape
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Particles when dashing

Browse Source
This commit is contained in:
Edgaru089 2024-03-26 13:54:32 +08:00
parent dcca8a348a
commit 8db8e52819
4 changed files with 37 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
particle.c
View File

@ -35,7 +35,7 @@ static void _particle_AdvancePart(System_Particle *sys, Particle *p, Duration de
Vec2 delta = vec2_Scale(p->vec, duration_Seconds(deltaTime));
p->pos = vec2_Add(p->pos, delta);
// Move slower
Vec2 delta_vec = vec2_Scale(p->vec, -p->vec_friction);
Vec2 delta_vec = vec2_Scale(p->vec, -p->vec_friction * duration_Seconds(deltaTime));
p->vec = vec2_Add(p->vec, delta_vec);
}

42
player.c
View File

@ -8,6 +8,7 @@
#include "render_util.h"
#include "types.h"
#include "util/assert.h"
#include "util/rand.h"
#include <stdlib.h>
@ -53,8 +54,6 @@ static double walkSpeed = 300.0, jumpSpeed = 800.0, dashSpeed = 1500.0;
static int airjumpCount = 1, airdashCount = 1;
static Duration dashLength = {.microseconds = 150000}, dashCooldown = {.microseconds = 400000};
static Duration emitCooldown = {.microseconds = 200000};
static TimePoint lastEmit;
void player_Advance(System_Player *sys, Duration deltaTime) {
if (!sys->player)
@ -66,6 +65,34 @@ void player_Advance(System_Player *sys, Duration deltaTime) {
if (p->faceDirection != 1 && p->faceDirection != -1)
p->faceDirection = 1; // Face right by default
// Particles
static Duration emitCooldown = {.microseconds = 150000};
static TimePoint lastEmit = {};
if (time_Since(lastEmit).microseconds > emitCooldown.microseconds) {
lastEmit = time_Now();
Vec2 to_pos = vec2_Add(p->super->position->position, vec2(0, -p->super->hitbox->box.size.y));
particle_Emit(
sys->super->particle,
vec2_Add(vec2_Random(-20, 20, -10, 10), to_pos),
vec2(0, -100), 2, 6, 6,
duration_FromSeconds(0), &render_ModeDefault);
}
// Particles when dashing
if (time_Since(p->lastDash).microseconds < dashLength.microseconds && dabs(p->super->position->velocity.x) > EPS) {
static TimePoint lastDashEmit = {};
static Duration cooldown = {.microseconds = 10000};
if (time_Since(lastDashEmit).microseconds > cooldown.microseconds) {
lastDashEmit = time_Now();
Vec2 to_pos = vec2_Add(p->super->position->position, vec2(0, -p->super->hitbox->box.size.y / 2.0));
particle_Emit(
sys->super->particle,
vec2_Add(vec2_Random(-5, 5, -30, 30), to_pos),
vec2(rand_DoubleRange(650, 700) * -p->faceDirection, rand_DoubleRange(-100, 100)),
7, rand_DoubleRange(10, 16), 3,
duration_FromSeconds(rand_DoubleRange(1.5, 2.0)), &render_ModeInverse);
}
}
double targetVecX = 0.0;
// Move left/right
@ -115,15 +142,4 @@ void player_Advance(System_Player *sys, Duration deltaTime) {
// Check OnGround again
if (dabs(sys->player->super->position->velocity.y) > EPS)
sys->player->onGround = false;
// Particles
if (time_Since(lastEmit).microseconds > emitCooldown.microseconds) {
lastEmit = time_Now();
particle_Emit(
sys->super->particle,
vec2_Add(p->super->position->position, vec2(0, -p->super->hitbox->box.size.y)),
vec2(0, -100), 2, 6, 6,
duration_FromSeconds(0), &render_ModeDefault);
}
}

5
util/rand.c
View File

@ -7,3 +7,8 @@ double rand_Double01() {
// Very bad implementation.
return ((double)rand()) / (double)RAND_MAX;
}
double rand_DoubleRange(double min, double max) {
return min + rand_Double01() * (max - min);
}

2
util/rand.h
View File

@ -7,6 +7,8 @@ extern "C" {
// returns a double in the [0,1) range.
double rand_Double01();
double rand_DoubleRange(double min, double max);
#ifdef __cplusplus
}
#endif