nefrace/odin-lights
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map tests

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nefrace
2025-05-18 01:01:36 +03:00
parent 029fae48bd
commit 156cc384cc
4 changed files with 3403 additions and 254 deletions
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117
collisions/main.odin
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@ -143,7 +143,7 @@ main :: proc() {
}
lights[0].power = 0.9
lights[0].distanceNear = 0
lights[0].distanceFar = 15
lights[0].distanceFar = 25
light_update_uniforms(&lights[0])
rl.SetShaderValue(shader, lights[0].distanceNearLoc, &(lights[0].distanceNear), .FLOAT)
rl.SetShaderValue(shader, lights[0].powerLoc, &(lights[0].power), .FLOAT)
@ -157,32 +157,55 @@ main :: proc() {
material.shader = shader
}
Tri :: [3][3]f32
tris := [dynamic]Tri{}
Mesh :: struct {
aabb: [2][3]f32,
triangles: [dynamic]Tri,
}
// tris := [dynamic]Tri{}
meshes := [dynamic]Mesh{}
// vtx := [dynamic]f32{}
scale: f32 = 0.04
for &mesh in mdl.meshes[:mdl.meshCount] {
// mesh := mdl.meshes[mdl.meshCount-1]
append(&meshes, Mesh{aabb = {{9999, 9999, 9999}, {-9999, -9999, -9999}}})
m := &(meshes[len(meshes) - 1])
fmt.printf("Mesh: %d %d\n", mesh.vertexCount, mesh.triangleCount)
for i: i32 = 0; i < mesh.vertexCount * 3; i += 9 {
tri := Tri{}
for j: i32 = 0; j < 3; j += 1 {
c := j * 3
for k: i32 = 0; k < 3; k += 1 {
value := mesh.vertices[i + c + k] * scale
if value < m.aabb[0][k] {
m.aabb[0][k] = value
}
if value > m.aabb[1][k] {
m.aabb[1][k] = value
}
tri[j][k] = value
}
}
append(
&tris,
Tri {
{
mesh.vertices[i] * scale,
mesh.vertices[i + 1] * scale,
mesh.vertices[i + 2] * scale,
},
{
mesh.vertices[i + 3] * scale,
mesh.vertices[i + 4] * scale,
mesh.vertices[i + 5] * scale,
},
{
mesh.vertices[i + 6] * scale,
mesh.vertices[i + 7] * scale,
mesh.vertices[i + 8] * scale,
},
},
&m.triangles,
tri,
// Tri {
// {
// mesh.vertices[i] * scale,
// mesh.vertices[i + 1] * scale,
// mesh.vertices[i + 2] * scale,
// },
// {
// mesh.vertices[i + 3] * scale,
// mesh.vertices[i + 4] * scale,
// mesh.vertices[i + 5] * scale,
// },
// {
// mesh.vertices[i + 6] * scale,
// mesh.vertices[i + 7] * scale,
// mesh.vertices[i + 8] * scale,
// },
// },
)
// append(&vtx, mesh.vertices[i] * scale)
}
@ -263,25 +286,35 @@ main :: proc() {
vel *= 1.0 / (1.0 + delta * 2)
// Collide
for t in tris {
closest := closest_point_on_triangle(cam.position, t[0], t[1], t[2])
diff := cam.position - closest
dist := linalg.length(diff)
normal := diff / dist
diff.xz *= 2
dist = linalg.length(diff)
for mesh in meshes {
if cam.position.x + RAD < mesh.aabb[0].x &&
cam.position.y + RAD < mesh.aabb[0].y &&
cam.position.z + RAD < mesh.aabb[0].z &&
cam.position.x - RAD > mesh.aabb[1].x &&
cam.position.y - RAD > mesh.aabb[1].y &&
cam.position.z - RAD > mesh.aabb[1].z {continue}
rl.DrawCubeV(closest, 0.05, dist > RAD ? rl.ORANGE : rl.WHITE)
if dist < RAD {
cam.position += normal * (RAD - dist)
// project velocity to the normal plane, if moving towards it
vel_normal_dot := linalg.dot(vel, normal)
if vel_normal_dot < 0 {
vel -= normal * vel_normal_dot
if normal.y > 0.6 && !moving {
vel.xz = rl.Vector2MoveTowards(vel.xz, {}, 35 * delta)
vel.y = 0
for t in mesh.triangles {
closest := closest_point_on_triangle(cam.position, t[0], t[1], t[2])
diff := cam.position - closest
dist := linalg.length(diff)
normal := diff / dist
diff.xz *= 2
dist = linalg.length(diff)
rl.DrawCubeV(closest, 0.05, dist > RAD ? rl.ORANGE : rl.WHITE)
if dist < RAD {
cam.position += normal * (RAD - dist)
// project velocity to the normal plane, if moving towards it
vel_normal_dot := linalg.dot(vel, normal)
if vel_normal_dot < 0 {
vel -= normal * vel_normal_dot
if normal.y > 0.6 && !moving {
vel.xz = rl.Vector2MoveTowards(vel.xz, {}, 35 * delta)
vel.y = 0
}
}
}
}
@ -320,6 +353,15 @@ main :: proc() {
// rl.DrawSphere(tri[2], 0.5, rl.WHITE)
// rl.DrawTriangle3D(tri[0], tri[1], tri[2], rl.RED)
// }
// for mesh in meshes {
// // rl.DrawBoundingBox(rl.BoundingBox{min = mesh.aabb[0], max = mesh.aabb[1]}, rl.RED)
// for &tri in mesh.triangles {
// // rl.DrawSphere(tri[0], 0.5, rl.WHITE)
// // rl.DrawSphere(tri[1], 0.5, rl.WHITE)
// // rl.DrawSphere(tri[2], 0.5, rl.WHITE)
// // rl.DrawTriangle3D(tri[0], tri[1], tri[2], {255, 255, 255, 10})
// }
// }
rl.BeginShaderMode(shader)
rl.DrawModelEx(mdl, {}, {}, 0, 0.04, rl.WHITE)
@ -343,6 +385,7 @@ main :: proc() {
0,
rl.WHITE,
)
rl.DrawFPS(0, 0)
rl.EndDrawing()
}
}