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Geometry shader support+omnidirectional depth map shader+improvements

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bloeys
2024-04-15 05:09:07 +04:00
parent a5bea5a661
commit c4b1dd1b3d
9 changed files with 201 additions and 59 deletions
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30
main.go
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@ -30,6 +30,9 @@ import (
- Directional lights ✅
- Point lights ✅
- Spotlights ✅
- Directional light shadows ✅
- Point light shadows
- Spotlight shadows
- HDR
- Cascaded shadow mapping
- Skeletal animations
@ -85,6 +88,28 @@ type PointLight struct {
Quadratic float32
}
var (
pointLightNear float32 = 1
pointLightFar float32 = 25
)
func (p *PointLight) GetProjViewMats(shadowMapWidth, shadowMapHeight float32) [6]gglm.Mat4 {
aspect := float32(shadowMapWidth) / float32(shadowMapHeight)
projMat := gglm.Perspective(90*gglm.Deg2Rad, aspect, pointLightNear, pointLightFar)
projViewMats := [6]gglm.Mat4{
*projMat.Clone().Mul(&gglm.LookAtRH(&p.Pos, gglm.NewVec3(1, 0, 0).Add(&p.Pos), gglm.NewVec3(0, -1, 0)).Mat4),
*projMat.Clone().Mul(&gglm.LookAtRH(&p.Pos, gglm.NewVec3(-1, 0, 0).Add(&p.Pos), gglm.NewVec3(0, -1, 0)).Mat4),
*projMat.Clone().Mul(&gglm.LookAtRH(&p.Pos, gglm.NewVec3(0, 1, 0).Add(&p.Pos), gglm.NewVec3(0, 0, 1)).Mat4),
*projMat.Clone().Mul(&gglm.LookAtRH(&p.Pos, gglm.NewVec3(0, -1, 0).Add(&p.Pos), gglm.NewVec3(0, 0, -1)).Mat4),
*projMat.Clone().Mul(&gglm.LookAtRH(&p.Pos, gglm.NewVec3(0, 0, 1).Add(&p.Pos), gglm.NewVec3(0, -1, 0)).Mat4),
*projMat.Clone().Mul(&gglm.LookAtRH(&p.Pos, gglm.NewVec3(0, 0, -1).Add(&p.Pos), gglm.NewVec3(0, -1, 0)).Mat4),
}
return projViewMats
}
type SpotLight struct {
Pos gglm.Vec3
Dir gglm.Vec3
@ -141,6 +166,7 @@ var (
palleteMat *materials.Material
skyboxMat *materials.Material
dirLightDepthMapMat *materials.Material
omnidirDepthMapMat *materials.Material
debugDepthMat *materials.Material
cubeMesh *meshes.Mesh
@ -437,7 +463,9 @@ func (g *Game) Init() {
debugDepthMat = materials.NewMaterial("Debug depth mat", "./res/shaders/debug-depth.glsl")
dirLightDepthMapMat = materials.NewMaterial("Depth Map mat", "./res/shaders/depth-map.glsl")
dirLightDepthMapMat = materials.NewMaterial("Directional Depth Map mat", "./res/shaders/directional-depth-map.glsl")
omnidirDepthMapMat = materials.NewMaterial("Omnidirectional Depth Map mat", "./res/shaders/omnidirectional-depth-map.glsl")
skyboxMat = materials.NewMaterial("Skybox mat", "./res/shaders/skybox.glsl")
skyboxMat.CubemapTex = skyboxCmap.TexID