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Scale the item drops to 0.25

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IntegratedQuantum 2024-08-18 14:01:54 +02:00
parent 3abe7e4950
commit f0f64e369c
2 changed files with 14 additions and 2 deletions
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5
src/itemdrop.zig
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@ -675,11 +675,12 @@ pub const ItemDropRenderer = struct { // MARK: ItemDropRenderer
Vec3f{light >> 16 & 255, light >> 8 & 255, light & 255}/@as(Vec3f, @splat(255)) Vec3f{light >> 16 & 255, light >> 8 & 255, light & 255}/@as(Vec3f, @splat(255))
))); )));
pos -= playerPos; pos -= playerPos;
var modelMatrix = Mat4f.translation(@floatCast(pos + Vec3d{0.5, 0.5, 0.5})); var modelMatrix = Mat4f.translation(@floatCast(pos));
modelMatrix = modelMatrix.mul(Mat4f.rotationX(-rot[0])); modelMatrix = modelMatrix.mul(Mat4f.rotationX(-rot[0]));
modelMatrix = modelMatrix.mul(Mat4f.rotationY(-rot[1])); modelMatrix = modelMatrix.mul(Mat4f.rotationY(-rot[1]));
modelMatrix = modelMatrix.mul(Mat4f.rotationZ(-rot[2])); modelMatrix = modelMatrix.mul(Mat4f.rotationZ(-rot[2]));
modelMatrix = modelMatrix.mul(Mat4f.translation(.{-0.5, -0.5, -0.5})); modelMatrix = modelMatrix.mul(Mat4f.scale(@splat(0.25)));
modelMatrix = modelMatrix.mul(Mat4f.translation(@splat(-0.5)));
c.glUniformMatrix4fv(itemUniforms.modelMatrix, 1, c.GL_TRUE, @ptrCast(&modelMatrix)); c.glUniformMatrix4fv(itemUniforms.modelMatrix, 1, c.GL_TRUE, @ptrCast(&modelMatrix));
const model = getModel(item); const model = getModel(item);

11
src/vec.zig
View File

@ -104,6 +104,17 @@ pub const Mat4f = struct { // MARK: Mat4f
}; };
} }
pub fn scale(vector: Vec3f) Mat4f {
return Mat4f {
.rows = [4]Vec4f {
Vec4f{vector[0], 0, 0, 0},
Vec4f{0, vector[1], 0, 0},
Vec4f{0, 0, vector[2], 0},
Vec4f{0, 0, 0, 1},
}
};
}
pub fn rotationX(rad: f32) Mat4f { pub fn rotationX(rad: f32) Mat4f {
const s = @sin(rad); const s = @sin(rad);
const c = @cos(rad); const c = @cos(rad);