siege/Test_Game
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Basic flashlight

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This commit is contained in:
Chris Johnson
2025-08-31 22:08:18 -05:00
parent a1fede92f3
commit d7363921ad
6 changed files with 113 additions and 39 deletions
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47
main.c
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@@ -200,8 +200,8 @@ int main(void)
// Load skybox shader
Shader skyboxShader = LoadShader(
"resources/shaders/skybox.vs",
"resources/shaders/skybox.fs"
"shaders/skybox.vs",
"shaders/skybox.fs"
);
// Attach shader to skybox
@@ -221,7 +221,7 @@ int main(void)
SetShaderValue(skyboxShader, GetShaderLocation(skyboxShader, "doGamma"), &doGamma, SHADER_UNIFORM_INT);
// Load the fog-of-war shader
Shader fog = LoadShader("resources/shaders/fog.vs", "resources/shaders/fog.fs");
Shader fog = LoadShader("shaders/fog.vs", "shaders/fog.fs");
// Grab uniform locations (cache them)
int locPlayer = GetShaderLocation(fog, "u_playerPos");
@@ -236,6 +236,16 @@ int main(void)
// Optional if you added the sharpness curve in the shader
int locSharpness = GetShaderLocation(fog, "u_sharpness");
//Flashlight
int locSpotDir = GetShaderLocation(fog, "u_spotDir");
int locSpotCos = GetShaderLocation(fog, "u_spotCos");
int locSpotSoft = GetShaderLocation(fog, "u_spotSoft");
int locLightRange = GetShaderLocation(fog, "u_lightRange");
int locLightFade = GetShaderLocation(fog, "u_lightFade");
int locIntensity = GetShaderLocation(fog, "u_intensity");
int locBeamSpread = GetShaderLocation(fog, "u_beamSpread");
// Let raylib know which matrices the shader expects
fog.locs[SHADER_LOC_MATRIX_MODEL] = GetShaderLocation(fog, "matModel");
fog.locs[SHADER_LOC_MATRIX_VIEW] = GetShaderLocation(fog, "matView");
@@ -250,17 +260,33 @@ int main(void)
// Fog/vignette tuning
float inner = 0.0f; // start radius (center under player)
float outer = 45.0f; // how far until full fog
float minShadow = 0.45f; // baseline darkness at the center (0 = none, 1 = pitch black)
float outer = 20.0f; // how far until full fog
float minShadow = 0.9f; // baseline darkness at the center (0 = none, 1 = pitch black)
float sharpness = 2.0f; // steeper edge (optional if shader uses it)
Vector4 fogColor = {0.0f, 0.0f, 0.0f, 1.0f};
// Flashligh tuning
float spotAngleDeg = 35.0f; //cone angle
float spotCos = cosf(DEG2RAD * (spotAngleDeg * 0.5f));
float spotSoft = 0.05f;
float lightRange = 150.0f;
float lightFade = 10.0f;
float intensity = 0.25f; // try 0.7–1.5 to taste
float beamSpread = 0.00f; // try 0.15–0.35; higher = less “laser” at distance
SetShaderValue(fog, locIntensity, &intensity, SHADER_UNIFORM_FLOAT);
SetShaderValue(fog, locBeamSpread, &beamSpread, SHADER_UNIFORM_FLOAT);
SetShaderValue(fog, locSpotCos, &spotCos, SHADER_UNIFORM_FLOAT);
SetShaderValue(fog, locSpotSoft, &spotSoft, SHADER_UNIFORM_FLOAT);
SetShaderValue(fog, locLightRange, &lightRange, SHADER_UNIFORM_FLOAT);
SetShaderValue(fog, locLightFade, &lightFade, SHADER_UNIFORM_FLOAT);
SetShaderValue(fog, locInner, &inner, SHADER_UNIFORM_FLOAT);
SetShaderValue(fog, locOuter, &outer, SHADER_UNIFORM_FLOAT);
SetShaderValue(fog, locMinShadow, &minShadow, SHADER_UNIFORM_FLOAT);
SetShaderValue(fog, locFogColor, &fogColor, SHADER_UNIFORM_VEC4);
SetShaderValue(fog, locSharpness, &sharpness, SHADER_UNIFORM_FLOAT);
//--------------------------------------------------------------------------------------
// Main game loop
@@ -367,8 +393,15 @@ int main(void)
case STATE_GAME:
{
ClearBackground(BLACK);
Vector3 camPos = g.player.camera.position;
Vector3 camFwd = Vector3Normalize(Vector3Subtract(g.player.camera.target, camPos));
SetShaderValue(fog, locPlayer, &g.player.position, SHADER_UNIFORM_VEC3);
// Camera forward (normalize target - position)
Vector3 forward = Vector3Normalize(Vector3Subtract(g.player.camera.target, g.player.camera.position));
SetShaderValue(fog, locPlayer, &camPos, SHADER_UNIFORM_VEC3);
SetShaderValue(fog, locSpotDir, &camFwd, SHADER_UNIFORM_VEC3);
BeginMode3D(g.player.camera);