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phong

This commit is contained in:
gbrochar 2020-11-23 20:40:51 +01:00
parent 66430eba5e
commit 0eee41e5ce
1 changed files with 32 additions and 4 deletions
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36
src/client/main.ts
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@ -54,11 +54,33 @@ function main() {
varying lowp vec4 vNormal;
varying lowp vec3 vPosition;
void main() {
vec3 n = normalize(vec3(-5., 10., -5.));
float diffuse = max(dot(vNormal.xyz, n), 0.);
vec3 extremize(vec3 v, float n) {
if (v.x > n / 2.)
v.x = n;
else
v.x = 0.;
if (v.y > n / 2.)
v.y = n;
else
v.y = 0.;
if (v.z > n / 2.)
v.z = n;
else
v.z = 0.;
return v;
}
gl_FragColor = vec4((vec3(1.) * diffuse * 0.8) + (vec3(1.) * 0.2), 1.0);
void main() {
vec3 n = normalize(vec3(-500., 1000., 500.) - vPosition);
float diffuse = max(dot(vNormal.xyz, n), 0.);
float specular = pow(
max(dot(
reflect(n, vNormal.xyz),
normalize(vec3(0., 0., -50.) - vPosition)),
0.), 10.);
vec3 tmp = extremize(mod(vPosition.xyz + vec3(100.), vec3(3.)), 3.);
float texture = (tmp.x + tmp.y + tmp.z) / 9.;
gl_FragColor = vec4((vec3(1.) * diffuse * 0.8) + (texture * 0.2) + (specular * vec3(1.)), 1.0);
}`;
/* eslint-enable */
@ -312,6 +334,12 @@ function drawScene(gl: any,
// the center of the scene.
const viewMatrix = mat4.create();
mat4.translate(
viewMatrix,
viewMatrix,
[Math.cos(squareRotation) * 5, Math.sin(squareRotation) * 5, 0]);
mat4.translate(
viewMatrix,
viewMatrix,