separate tests, sponza
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229
house/main.odin
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229
house/main.odin
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package main
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import "core:fmt"
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import "core:log"
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import "core:math"
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import "core:math/linalg"
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import "core:math/rand"
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import rl "vendor:raylib"
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Buddy :: struct {
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pos: [3]f32,
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gothit: bool,
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hit_timer: f32,
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}
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Light :: struct {
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enabled: i32,
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distanceNear: f32,
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distanceFar: f32,
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power: f32,
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position: [3]f32,
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color: [4]f32,
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enabledLoc: i32,
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distanceNearLoc: i32,
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distanceFarLoc: i32,
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powerLoc: i32,
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positionLoc: i32,
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colorLoc: i32,
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}
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MAX_LIGHTS :: 4
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lights := [MAX_LIGHTS]Light{}
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main :: proc() {
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rl.SetConfigFlags({.WINDOW_RESIZABLE, .MSAA_4X_HINT})
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rl.InitWindow(900, 600, "flash")
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rl.ToggleBorderlessWindowed()
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checker := rl.GenImageChecked(128, 128, 32, 32, {128, 128, 128, 255}, {150, 150, 150, 255})
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defer rl.UnloadImage(checker)
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checktex := rl.LoadTextureFromImage(checker)
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defer rl.UnloadTexture(checktex)
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checkmtl := rl.LoadMaterialDefault()
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rl.SetMaterialTexture(&checkmtl, .ALBEDO, checktex)
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checkplane := rl.GenMeshPlane(30, 30, 1, 1)
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rl.GenMeshTangents(&checkplane)
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w, h := rl.GetScreenWidth(), rl.GetScreenHeight()
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pixelize: i32 = 2
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target := rl.LoadRenderTexture(w / pixelize, h / pixelize)
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palette := rl.LoadTexture("assets/gfx/blood-crow-1x.png")
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rl.SetTextureFilter(palette, .POINT)
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texture := rl.LoadTexture("assets/gfx/buddy.png")
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defer rl.UnloadTexture(texture)
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buddies := [dynamic]Buddy{}
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defer delete(buddies)
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for i := 0; i < 1000; i += 1 {
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buddy := Buddy {
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pos = {rand.float32_range(-10, 10), 1, rand.float32_range(-10, 10)},
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gothit = false,
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hit_timer = rand.float32_range(1, 15),
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}
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append(&buddies, buddy)
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}
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shader := rl.LoadShaderFromMemory(vshader, fshader)
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posterizer := rl.LoadShaderFromMemory(nil, postprocess)
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poster_palette := rl.GetShaderLocation(posterizer, "texture1")
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checkmtl.shader = shader
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for &light, i in lights {
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light.enabled = 1
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color := rl.ColorFromHSV(f32(i) / f32(MAX_LIGHTS) * 360, 0, 1)
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light.color = [4]f32 {
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f32(color.r) / 255,
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f32(color.g) / 255,
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f32(color.b) / 255,
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f32(color.a) / 255,
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}
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light.position = {rand.float32_range(-20, 20), 3, rand.float32_range(-20, 20)}
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light.power = 0.8
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light.distanceFar = 10
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light.distanceNear = 0
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light.enabledLoc = rl.GetShaderLocation(shader, rl.TextFormat("lights[%i].enabled", i))
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light.distanceNearLoc = rl.GetShaderLocation(
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shader,
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rl.TextFormat("lights[%i].distanceNear", i),
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)
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light.distanceFarLoc = rl.GetShaderLocation(
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shader,
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rl.TextFormat("lights[%i].distanceFar", i),
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)
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light.powerLoc = rl.GetShaderLocation(shader, rl.TextFormat("lights[%i].power", i))
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light.positionLoc = rl.GetShaderLocation(shader, rl.TextFormat("lights[%i].position", i))
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light.colorLoc = rl.GetShaderLocation(shader, rl.TextFormat("lights[%i].color", i))
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rl.SetShaderValue(shader, light.enabledLoc, &(light.enabled), .INT)
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rl.SetShaderValue(shader, light.distanceNearLoc, &(light.distanceNear), .FLOAT)
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rl.SetShaderValue(shader, light.distanceFarLoc, &(light.distanceFar), .FLOAT)
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rl.SetShaderValue(shader, light.powerLoc, &(light.power), .FLOAT)
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rl.SetShaderValue(shader, light.enabledLoc, &(light.enabled), .INT)
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rl.SetShaderValue(shader, light.enabledLoc, &(light.enabled), .INT)
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rl.SetShaderValue(shader, light.positionLoc, &(light.position), .VEC3)
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rl.SetShaderValue(shader, light.colorLoc, &(light.color), .VEC4)
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}
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lights[0].power = 1.1
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lights[0].distanceNear = 1
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rl.SetShaderValue(shader, lights[0].distanceNearLoc, &(lights[0].distanceNear), .FLOAT)
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rl.SetShaderValue(shader, lights[0].powerLoc, &(lights[0].power), .FLOAT)
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sponza := rl.LoadModel("assets/models/sponza.glb")
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for &material in sponza.materials[:sponza.materialCount] {
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material.shader = shader
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}
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cam := rl.Camera3D {
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position = {0, 1, 0},
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target = {1, 1, 0},
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up = {0, 1, 0},
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fovy = 90,
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projection = .PERSPECTIVE,
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}
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log.info("Buddies: ", len(buddies))
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rotation: f32 = 0.0
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rl.DisableCursor()
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for !rl.WindowShouldClose() {
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if rl.IsWindowResized() {
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w, h = rl.GetScreenWidth(), rl.GetScreenHeight()
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rl.UnloadRenderTexture(target)
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target = rl.LoadRenderTexture(w / pixelize, h / pixelize)
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}
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rl.UpdateCamera(&cam, .FIRST_PERSON)
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delta := rl.GetFrameTime()
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rotation += delta
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rl.BeginTextureMode(target)
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rl.ClearBackground(rl.BLACK)
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rl.BeginMode3D(cam)
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// rl.DrawPlane({0, 0, 0}, {30, 30}, rl.WHITE)
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for &light, i in lights[1:] {
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color: [4]u8 = {
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u8(light.color.r * 255),
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u8(light.color.g * 255),
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u8(light.color.b * 255),
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u8(light.color.a * 255),
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}
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light.position.xz = [2]f32 {
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math.cos_f32(rotation + (f32(i) / f32(MAX_LIGHTS)) * math.PI * 2) * 5,
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math.sin_f32(rotation + (f32(i) / f32(MAX_LIGHTS)) * math.PI * 2) * 5,
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}
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rl.SetShaderValue(shader, light.positionLoc, &(light.position), .VEC3)
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rl.DrawSphere(light.position, 0.1, transmute(rl.Color)color)
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}
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lights[0].position = cam.position
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rl.SetShaderValue(shader, lights[0].positionLoc, &(lights[0].position), .VEC3)
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rl.DrawModel(sponza, {}, 1, rl.WHITE)
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rl.BeginShaderMode(shader)
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// rl.DrawMesh(checkplane, checkmtl, rl.Matrix(1))
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// rl.DrawPlane({}, 100, rl.GREEN)
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// for &buddy in buddies {
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// buddy.hit_timer -= delta
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// if buddy.hit_timer < 0.2 {
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// buddy.gothit = true
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// if buddy.hit_timer < 0 {
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// buddy.gothit = false
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// buddy.hit_timer = rand.float32_range(1, 5)
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// }
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// }
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// color := rl.WHITE
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// if buddy.gothit do color = rl.RED
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// rl.DrawBillboard(cam, texture, buddy.pos, 1, color)
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// }
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// for &buddy in buddies {
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// color := rl.WHITE
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// if buddy.gothit do color = rl.RED
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// rl.DrawCubeV(buddy.pos, {0.3, 0.5, 0.3}, color)
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// }
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rl.EndShaderMode()
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rl.EndMode3D()
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rl.EndTextureMode()
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rl.BeginDrawing()
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rl.BeginShaderMode(posterizer)
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rl.SetShaderValueTexture(posterizer, poster_palette, palette)
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rl.DrawTexturePro(
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target.texture,
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rl.Rectangle{0, f32(h / pixelize), f32(w / pixelize), -f32(h / pixelize)},
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{0, 0, f32(w), f32(h)},
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{},
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0,
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rl.WHITE,
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)
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// rl.DrawTexturePro(
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// target.depth,
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// rl.Rectangle{0, f32(h / pixelize), f32(w / pixelize), -f32(h / pixelize)},
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// {0, 0, f32(w), f32(h)},
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// {},
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// 0,
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// rl.WHITE,
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// )
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rl.EndShaderMode()
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// rl.DrawTexture(palette, 0, 0, rl.WHITE)
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rl.EndDrawing()
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}
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}
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vshader: cstring = #load("../assets/shaders/vshader.glsl", cstring)
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fshader: cstring = #load("../assets/shaders/fshader.glsl", cstring)
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postprocess: cstring = #load("../assets/shaders/postprocess.glsl", cstring)
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