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PointLights work now

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This commit is contained in:
Michel Fedde 2020-12-15 15:37:21 +01:00
parent 1551af28cc
commit 1ed03fec3f
3 changed files with 34 additions and 13 deletions
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14
SMCode/SM2D/Light/LightObjects/PointLight.cs
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@ -1,7 +1,19 @@
namespace SM2D.Light using System.Collections.Generic;
using SM.OGL.Shaders;
namespace SM2D.Light
{ {
public class PointLight : LightObject public class PointLight : LightObject
{ {
internal override int Type { get; } = 0; internal override int Type { get; } = 0;
public float Power = 5;
internal override void SetUniforms(Dictionary<string, Uniform> uniforms)
{
base.SetUniforms(uniforms);
uniforms["Power"].SetUniform1(Power);
}
} }
} }

20
SMCode/SM2D/Light/light.frag
View file

@ -5,6 +5,9 @@ struct Light {
int Type; int Type;
vec2 Position; vec2 Position;
vec4 Color; vec4 Color;
// pointStuff;
float Power;
}; };
in vec2 vTexture; in vec2 vTexture;
@ -19,10 +22,12 @@ layout(location = 0) out vec4 color;
vec4 GetRenderColor(); vec4 GetRenderColor();
vec3 calcPointLight(Light light) { vec3 calcPointLight(Light light) {
float dis = distance(FragPos, light.Position); vec2 diff = light.Position - FragPos;
float intensity = 4 / 4 * PI * pow(dis, 2);
float dif = light.Power / length(diff);
return vec3(light.Color * intensity); float intensity = 4 * PI * dif * (dif * dif);
return vec3(intensity);
} }
vec3 calcLight() { vec3 calcLight() {
@ -42,6 +47,9 @@ vec3 calcLight() {
} }
void main() { void main() {
color = GetRenderColor() * Ambient; vec4 render = GetRenderColor();
color += vec4(calcLight(), 1);
color = render * Ambient;
color += vec4(calcLight() * render.xyz, 1);
} }

13
SM_TEST/Program.cs
View file

@ -44,31 +44,32 @@ namespace SM_TEST
window.Run(); window.Run();
} }
private static DrawObject2D kasten; private static PointLight light;
private static DrawParticles particles; private static DrawParticles particles;
private static void WindowOnUpdateFrame(object sender, FrameEventArgs e) private static void WindowOnUpdateFrame(object sender, FrameEventArgs e)
{ {
if (Keyboard.GetState()[Key.R]) if (Keyboard.GetState()[Key.R])
particles.Trigger(); particles.Trigger();
//particles.Paused = Keyboard.GetState()[Key.P]; //particles.Paused = Keyboard.GetState()[Key.P];
kasten.Transform.Position.Set( window.Mouse.InWorld()); light.Position.Set( window.Mouse.InWorld());
} }
private static void WindowOnLoad(object sender, EventArgs e) private static void WindowOnLoad(object sender, EventArgs e)
{ {
scene.ShowAxisHelper = true; scene.ShowAxisHelper = true;
kasten = new DrawObject2D(); DrawObject2D kasten = new DrawObject2D();
kasten.Texture = new Texture(new Bitmap("herosword.png")); kasten.Texture = new Texture(new Bitmap("herosword.png"));
kasten.Transform.ApplyTextureSize(kasten.Texture, 500); kasten.Transform.ApplyTextureSize(kasten.Texture, 500);
scene.Objects.Add(kasten); scene.Objects.Add(kasten);
DrawText text = new DrawText(font, "Text"); DrawText text = new DrawText(font, "Text");
text.Transform.Position.Set(0, 500); text.Transform.Position.Set(0, 500);
scene.HUD.Add(text); scene.Objects.Add(text);
/*PointLight light = new PointLight(); light = new PointLight();
scene.LightInformations.Lights.Add(light);*/ light.Color = new Color4(0, 1,0,1);
scene.LightInformations.Lights.Add(light);
scene.LightInformations.Ambient = Color4.White; scene.LightInformations.Ambient = Color4.White;