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https://github.com/TombEngine/TombEngine.git
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86 lines
No EOL
2.7 KiB
C++
86 lines
No EOL
2.7 KiB
C++
#include "framework.h"
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#include "explosion.h"
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#include "Specific\trmath.h"
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#include "spark.h"
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#include "effects\tomb4fx.h"
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#include "setup.h"
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#include "effects\effects.h"
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#include "Specific\prng.h"
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using namespace TEN::Math::Random;
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namespace TEN {
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namespace Effects {
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namespace Explosion {
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using namespace DirectX::SimpleMath;
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using namespace TEN::Effects::Spark;
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std::array<ExplosionParticle, 64> explosionParticles;
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constexpr float PARTICLE_DISTANCE = 512;
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void TriggerExplosion(Vector3 const& pos, float size, bool triggerSparks, bool triggerSmoke, bool triggerShockwave, int room)
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{
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SpawnExplosionParticle(pos);
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for (int i = 0; i < 3; i++) {
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Vector3 particlePos = pos + Vector3(GenerateFloat(-size / 2, size / 2), GenerateFloat(-size / 2, size / 2), GenerateFloat(-size / 2, size / 2));
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SpawnExplosionParticle(particlePos);
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}
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if (triggerSparks) {
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PHD_VECTOR sparkPos;
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sparkPos.x = pos.x;
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sparkPos.y = pos.y;
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sparkPos.z = pos.z;
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//TriggerExplosionSparks(&sparkPos, room); @TODO
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}
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if (triggerShockwave) {
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PHD_3DPOS shockPos;
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shockPos.xPos = pos.x;
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shockPos.yPos = pos.y;
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shockPos.zPos = pos.z;
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TriggerShockwave(&shockPos, 0, size, 64, 32, 32, 32, 30, rand() & 0xFFFF, 0);
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}
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}
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void UpdateExplosionParticles()
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{
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for (int i = 0; i < explosionParticles.size(); i++) {
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ExplosionParticle& e = explosionParticles[i];
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if (!e.active) continue;
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e.age++;
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if (e.age > e.life) {
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e.active = false;
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continue;
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};
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e.vel *= 0.98f;
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e.pos += e.vel;
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e.angularVel *= 0.98f;
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e.rotation += e.angularVel;
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int numSprites = -Objects[ID_EXPLOSION_SPRITES].nmeshes - 1;
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float normalizedAge = e.age / e.life;
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e.sprite = lerp(0, numSprites, normalizedAge);
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e.tint = Vector4::Lerp(Vector4(2, 2, 2, 1), Vector4(0, 0, 0, 0), normalizedAge);
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}
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}
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ExplosionParticle& getFreeExplosionParticle()
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{
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for (int i = 0; i < explosionParticles.size(); i++)
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{
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if (!explosionParticles[i].active) {
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return explosionParticles[i];
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}
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}
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return explosionParticles[0];
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}
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void SpawnExplosionParticle(Vector3 const & pos)
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{
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ExplosionParticle& e = getFreeExplosionParticle();
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e = {};
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e.pos = pos;
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const float maxVel = 10;
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e.vel = Vector3(GenerateFloat(-maxVel / 2, maxVel / 2), GenerateFloat(-maxVel / 2, maxVel / 2), GenerateFloat(-maxVel / 2, maxVel / 2));
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e.active = true;
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e.tint = Vector4(1, 1, 1, 1);
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e.life = GenerateFloat(60, 90);
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e.size = GenerateFloat(512, 768);
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e.angularVel = GenerateFloat(-RADIAN, RADIAN);
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e.rotation = GenerateFloat(-0.05, 0.05);
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}
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}
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}
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} |